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- 1. Fill in the Blank
A car dealer buys a car for $500 and then sells it for $640. What is the percentage profit?
- 2. Fill in the Blank
A damaged carpet which costs $180 when new, is sold for $100. What is the percentage loss? Answer in 3 s.f.
- 3. Fill in the Blank
During the first 4 weeks of her life, a baby girl increases her mass from 3.2 kg to 4.7 kg. What percentage increase does this represent? (Give your answer to 3 s.f.)
- 4. Fill in the Blank
When tax is added to the cost of a lipstick, its price increases from $16.50 to $18.48. What is the rate at which tax is charged?
- 5. Fill in the Blank
The price of a sports car is reduced from $30 000 to $28 400. What percentage reduction is this? Answer in 3 s.f.
- 6. Fill in the Blank
A pair of jeans is sold for $15, thereby making a profit of 25% on the cost price. What was the cost price?
- 7. Fill in the Blank
A can of worms is sold for 48c, incurring a loss of 20%. What was the cost price?
- 8. Fill in the Blank
If an employer reduces the working week from 40 hours to 35 hours, with no loss of weekly pay, calculate the percentage increase in the hourly rate of pay. (Answer in 3 s.f.)
- 9. Fill in the Blank
The rental for a television set changed from $80 per year to $8 per month. What is the percentage increase in the yearly rental?
- 10. Fill in the Blank
Given G = ab, find the percentage increase in G when both a and b increase by 10%
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