Interactive practice questions
According to the table, how many kilojoules would a very active female in her 60's require per day?
| Age | Activity Level | Women (kJ/day) | Men (kJ/day) |
|---|---|---|---|
| $18-35$18−35 | inactive | $8000$8000 | $10500$10500 |
| active | $9000$9000 | $12500$12500 | |
| very active | $10500$10500 | $14800$14800 | |
| $36-70$36−70 | inactive | $8000$8000 | $10000$10000 |
| active | $8800$8800 | $11800$11800 | |
| very active | $10400$10400 | $14300$14300 |
Easy
< 1min
The treadmill at the gym displays the estimated kilocalories that a person has used while on the machine. Vincent was using the treadmill and used $782$782 kilocalories. How many kilojoules is this?
Use the conversion rate of $1$1 kilocalorie$=$=$4.2$4.2 kilojoules.
Easy
< 1min
Ursula is training for a charity walk. In one of her training sessions she wants to burn $2751$2751 kilojoules. How many kilocalories does she have to burn?
Use the conversion rate of $1$1 kilocalorie$=$=$4.2$4.2 kilojoules.
Easy
< 1min
Bob is in his 40's and leads an inactive lifestyle. Today he has a small Greek salad, which contains $446$446kJ.
Easy
1min
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