Consider the following table:
| \text{Age} | \text{Activity level} | \text{Women (kJ/day)} | \text{Men (kJ/day)} |
|---|---|---|---|
| 18 - 35 | \text{Inactive} | 8000 | 10\,500 |
| \text{Active} | 9000 | 12\,500 | |
| \text{Very active} | 10\,500 | 14\,800 | |
| 36 - 70 | \text{Inactive} | 8000 | 10\,000 |
| \text{Active} | 8800 | 11\,800 | |
| \text{Very active} | 10\,400 | 14\,300 |
According to the table, how many kilojoules would a very active female in her 60's require per day?
Bob is in his 40's and leads an inactive lifestyle. Today, he has a small Greek salad, which contains 446 \text{ kJ}. What percentage of his recommended kilojoule intake is this? Give your answer as a percentage correct to one decimal place.
Noah is 26 years old and has a very active lifestyle. Today, he ate a breakfast that contained 2540 \text{ kJ}.
How many kilojoules does this leave of his kilojoule requirements for the rest of the day?
What percentage of his daily kilojoule requirements is the breakfast? Give your answer as a percentage correct to one decimal place.
Xavier is on a road trip and often eats at the same fast food restaurant. He is looking at the nutritional information for the restaurant's common items. Xavier has a daily activity level of "inactive" and is a 20 year old male.
If Xavier only ate ultimate burgers for one day, how many whole ultimate burgers could he eat without going over his daily energy requirement?
If Xavier just has one of every item on the menu, how many kilojoules will he have consumed?
If Xavier just has one of every item on the menu will he be above or below their daily energy requirement?
| \text{Food} | \text{Energy (kJ)} |
|---|---|
| \text{Nuggets } (11) | 2490 |
| \text{Ordinary burger} | 2000 |
| \text{Ultimate burger} | 2500 |
| \text{Chicken salad} | 1250 |
| \text{Apple slice} | 190 |
| \text{Fries (L)} | 1840 |
Consider the following table:
| \text{Age} | \text{Activity level} | \text{Women (kJ/day)} | \text{Men (kJ/day)} |
|---|---|---|---|
| 18 - 35 | \text{Inactive} | 8000 | 10\,500 |
| \text{Active} | 9000 | 12\,500 | |
| \text{Very active} | 10\,500 | 14\,800 | |
| 36 - 70 | \text{Inactive} | 8000 | 10\,000 |
| \text{Active} | 8800 | 11\,800 | |
| \text{Very active} | 10\,400 | 14\,300 |
Carl has a sirloin steak with a banana and carrot for lunch with a glass of milk. Later he also has some yoghurt.
If Carl is 43 years old and leads an inactive lifestyle, what percentage of his daily kilojoule requirements has he consumed already? Give your answer as a percentage to one decimal place.
| \text{Food} | \text{Energy (kJ)} |
|---|---|
| \text{Sirloin steak} | 1179 |
| \text{Banana} | 56 |
| \text{Carrot} | 86 |
| \text{Milk} | 622 |
| \text{Yoghurt} | 583 |
Vincent has a some jam on toast for breakfast and a pie for lunch. He later has some sour worms as a snack. Vincent has a daily activity level of "inactive" and is a 33 year old male.
How many kilojoules should Vincent consume for dinner to reach his daily required intake?
| \text{Food} | \text{Energy (kJ)} |
|---|---|
| \text{Jam toast} | 490 |
| \text{Scrambled eggs} | 750 |
| \text{Cheese sandwich} | 1100 |
| \text{Pie} | 2330 |
| \text{Sour worms} | 830 |
| \text{Chocolate bar} | 1050 |
On a school trip, the school is to provide food for the students. They must provide food with a total energy value of at least 2450 \text{ kJ}. The food and drink items available to the school are listed in the table below:
State whether the following options will meet (or go over) the 2450 \text{ kJ} requirement:
3 bowls of spaghetti bolognese and 1 serving of juice.
8 apples.
A tub of yoghurt and a falafel wrap.
A tub of yoghurt, a falafel wrap and juice.
| \text{Food} | \text{Energy (kJ)} |
|---|---|
| \text{Spaghetti bolognese} | 640 |
| \text{Yoghurt} | 1120 |
| \text{Falafel wrap} | 1270 |
| \text{Apple} | 310 |
| \text{Cheese and biscuits} | 930 |
| \text{Juice} | 470 |
Uther is looking at the nutritional label on the soy milk he just purchased. The label is shown below:
| Nutritional information | ||
|---|---|---|
| \text{Serving per package - 4} | \text{Serving size - 250 g} | |
| \text{Per Serve} | \text{Per 100 g} | |
| \text{Energy (kJ)} | 135 | 54 |
| \text{Protein (g)} | 8.25 | 3.3 |
| \text{Fat (g)} | ||
| \text{Total} | 4.50 | 1.8 |
| \text{Saturated} | 0.50 | 0.2 |
| \text{Carbohydrate (g)} | ||
| \text{Total} | 15.00 | 6 |
| \text{Sugars} | 10.00 | 4 |
| \text{Sodium (g)} | 128 | 51 |
Find how many kilojoules are there in the following:
1 serving of soy milk.
60 \text{ g} of soy milk.
An entire carton of soy milk.
Victoria sometimes uses canola spread on her bread, and sometimes uses hummus. She wants to compare the nutrition of these two products:
| Canola spread | ||
|---|---|---|
| \text{Serving per} \\ \text{package - 75} | \text{Serving} \\ \text{size - 4 g} | |
| \text{Per} \\ \text{Serve} | \text{Per} \\ \text{100 g} | |
| \text{Energy (kJ)} | 89 | 2235 |
| \text{Protein (g)} | \text{Less}\\ \text{than 1 g} | \text{Less}\\ \text{than 1 g} |
| \text{Fat (g)} | ||
| \text{Total} | 2.40 | 60 |
| \text{Saturated} | 1.02 | 25.5 |
| \text{Carbohydrate (g)} | ||
| \text{Total} | \text{Less}\\ \text{than 1 g} | 1.4 |
| \text{Sugars} | \text{Less}\\ \text{than 1 g} | \text{Less}\\ \text{than 1 g} |
| \text{Sodium (g)} | 111 | 370 |
| Hummus | ||
|---|---|---|
| \text{Serving per} \\ \text{package - 10} | \text{Serving} \\ \text{size - 30 g} | |
| \text{Per} \\ \text{Serve} | \text{Per} \\ \text{100 g} | |
| \text{Energy (kJ)} | 254 | 848 |
| \text{Protein (g)} | 1.74 | 5.8 |
| \text{Fat (g)} | ||
| \text{Total} | 4.68 | 15.6 |
| \text{Saturated} | \text{Less}\\ \text{than 1 g} | 1.7 |
| \text{Carbohydrate (g)} | ||
| \text{Total} | 1.89 | 6.3 |
| \text{Sugars} | \text{Less}\\ \text{than 1 g} | \text{Less}\\ \text{than 1 g} |
| \text{Sodium (g)} | 101 | 337 |
Which product has fewer kilojoules per serving?
Victoria has 14 \text{ g} of either hummus or canola spread on her bread. Which spread will have fewer kilojoules per slice of bread?
The table shows certain values as "Less than 1 \text{ g}". Given the information in the table, what would the amount of saturated fat be in one serving of hummus?
The table shows the time needed for John and Valentina to burn 500 Calories for a number of different activities:
How long would John have to run to burn 1500 Calories?
How long would John have to ski to burn 125 Calories?
How long would Valentina have to ride a bike to burn 1500 Calories?
How long would Valentina have to walk the dog to burn 250 Calories?
| Activity | John | Valentina |
|---|---|---|
| \text{Bicycling} | 1 \text{ hour} | 51 \text{ minutes} |
| \text{Golf} | 2 \text{ hours} | 1 \text{ hour} |
| \text{Running} | 56 \text{ minutes} | 38 \text{ minutes} |
| \text{Soccer} | 1 \text{ hour} | 43 \text{ minutes} |
| \text{Swimming} | 1 \text{ hour} | 43 \text{ minutes} |
| \text{Touch football} | 56 \text{ minutes} | 38 \text{ minutes} |
| \text{Skateboarding} | 1 \text{ hour} | 1 \text{ hour} |
| \text{Skiing} | 1 \text{ hour} | 43 \text{ minutes} |
| \text{Housework} | 3 \text{ hours} | 2 \text{ hours} |
| \text{Walking the} \\ \text{dog} | 2 \text{ hours} | 2 \text{ hours} |
| \text{Stair climbing} | 2 \text{ hours} | 1 \text{ hour} |
The table shows the number of kilojoules that Kenneth burns in 10 minutes while doing each of the activities:
What activity could Kenneth do, and for how many minutes, to burn off the 3 cups of soda that contain 627 \text{ kJ} each?
| Activity | Kilojoules |
|---|---|
| \text{Bicycling} | 283 |
| \text{Golf} | 203 |
| \text{Running} | 377 |
| \text{Soccer} | 330 |
| \text{Swimming} | 330 |
| \text{Skateboarding} | 236 |
| \text{Walking} | 141 |
Consider the following table of activities:
Do you burn more energy standing relaxed for 5 hours or vacuuming for 0.5 hours?
Jack, who weighs 80 \text{ kg}, goes for a run every morning for 1.5 hours. He then drives to work for 30 minutes, sits quietly while at work for 7.5 hours and then drives home, which takes another 30 minutes.
How much energy did he use in total for these tasks?
Isabelle goes for a run every morning for 30 minutes, and in the evening she runs with the dog for another 30 minutes. She drives to work in the morning and drives back in the evening, and this takes 45 minutes each way. She also walks rapidly most of the day between patients and floors at the hospital for about 6 hours, and sits quietly for the other 2 hours whilst writing up notes.
How much energy does she use in total for these tasks if she weighs 60 \text{ kg}?
| \text{Activity} | \text{Energy}\\ \text{(kJ/kg/h)} |
|---|---|
| \text{Sitting}\\ \text{quietly} | 1.7 |
| \text{Writing} | 1.7 |
| \text{Standing}\\ \text{relaxed} | 2.1 |
| \text{Driving} | 3.8 |
| \text{Vacuuming} | 11.3 |
| \text{Walking}\\ \text{rapidly} | 14.2 |
| \text{Running} | 29.3 |
| \text{Swimming}\\ \text{(4 km per hour)} | 33 |
| \text{Rowing} | 67 |