Find 40\% of 1300 and add your answer to the original amount of 1300.
Calculate 140\% of 1300.
Are your answers to (a) and (b) the same? Explain why this is.
Abed wants to increase 1500 by 30\%.
Calculate 30\% of 1500 and add the answer to 1500.
Calculate 130\% of 1500.
Are your answers to (a) and (b) the same?
Tracy wants to increase 80 by 30\%.
What single percentage should she multiply 80 by?
Explain how you got your percentage in part (a).
What percentage should a quantity be multiplied by in order to increase the quantity by:
24.8\%
Increase:
80 by 5\%.
700 by 10\%.
120 by 10\%.
72 by 40\%.
320 by 25\%.
\$140 by 9\%.
\$30\,000 by 20\%.
80\text{ km} by 15\%.
400\text{ mL} by 35\%.
What decimal should a quantity be multiplied by in order to increase the quantity by:
9\%
33\%
7.7\%
154\%
Evaluate the following using a single percentage:
Increase 80 by 60\%
Increase 400 by 45\%
Increase 900 by 8\%
Increase 80 by 40\%
Increase 1200 by 45\%
Increase 1200 by 8\%
Find 15\% of 1500 and subtract your answer from the original amount of 1500.
Calculate 85\% of 1500.
Are your answers to (a) and (b) the same? Explain why this is.
Derek wants to decrease 120 by 70\%.
What single percentage should he multiply 120 by?
Explain how you got your percentage in part (a).
What percentage should a quantity be multiplied by in order to decrease the quantity by:
75\%
15.7\%
What decimal should a quantity be multiplied in order to decrease it by:
9\%
43\%
26\%
94\%
Decrease:
70 by 8\%.
260 by 10\%.
96 by 60\%.
250 by 20\%.
\$480 by 18\%.
\$55\,000 by 45\%.
200\text{ km} by 22\%.
650\text{ mL} by 30\%.
Evaluate the following using a single percentage:
Decrease 80 by 60\%
Decrease 400 by 45\%
Decrease 900 by 8\%
Decrease 80 by 40\%
Decrease 1200 by 45\%
Decrease 1200 by 8\%
A bag of potatoes weighs 50\text{ kg}. When more potatoes are added, the weight of the bag increases by 35\%.
Find the percentage that should be multiplied to the weight of the bag to increase it by 35\%.
Find the new weight of the bag of potatoes.
A bag of rice weighs 120 \text{ kg}. The company who makes these bags decides to increase their weight by 45\%.
Find the percentage that should be multiplied to the weight of the bag to increase it by 45\%.
Find the new weight of the bag of rice.
A basket of goods was valued at \$43.70 in January 2011. The inflation rate for the year was 8\%. What is the expected cost of the basket of goods in January 2012?
A bag of rice weighs 110\text{ kg}. When some rice is poured out, the weight of the bag decreases by 40\%.
Find the percentage that should be multiplied to the weight of the bag to decrease it by 40\%.
Find the new weight of the bag of rice.
A tennis racket marked at a price of \$90 is advertised to be selling at 45\% off the marked price. Find the discounted price.
Very Cheap Auto car company is having a sale such that car prices are discounted by 10\%. If the original price of a car was \$12\,500, find the discounted price of the car.
A discus thrower has a personal best of 60 \text{ m}. In their most recent competition they fall short of their personal best by 30\%. Find the distance of their throw in this competition.
Steph is going to buy a dress that is marked as 75\% off. The original price was \$36.
Find the discount amount.
Find the discounted price that Steph will pay for the dress.
Duncan is going to buy a hat that is marked as 25\% off. The original price was \$30.
Find the discount amount.
Find the discounted price that Duncan will pay for the hat.