Ratio, Proportion and Percent Review

Suzanne bought a sweater at the sale price of £25. The original cost of the sweater was £40. What percent represents the discount that Suzanne received when buying the sweater?

• 15%

• 37.5%

• 60%

• 62.5%

Leo bought a used car for x pounds. One year later the value of the car was 0.88x. Which expression is another way to describe the change in the value of the car?

• 0.12% decrease

• 0.88% decrease

• 12% decrease

• 88% decrease

Ms. Graves gave her class 12 minutes to read. Carrie read $5\frac{1}{2}$ pages in that time. At what rate, in pages per hour, did Carrie read?

• 22

• 66

Jocelyn was shopping at a farmers’ market. She observed the prices of cucumbers at several stands. Which sign shows a proportional relationship in the pricing of the cucumbers?

• 5 for £2.50

  10 for £4.00

  15 for £5.50

• 5 for £2.50

  10 for £4.50

  15 for £6.50

• 5 for £2.00

  10 for £4.00

  15 for £6.00

• 5 for £1.50

  10 for £3.00

  15 for £6.00

Sally has a discount card that reduces the price of her grocery bill in a certain grocery store by 5%. If c represents the cost of Sally’s groceries, which expression represents Sally’s grocery bill?

• 0.05c

• 0.95c

• c - 0.05

• c + 0.95

The cost of oranges in a grocery store is directly proportional to the number of oranges purchased. Jerri paid £2.52 for 6 oranges. If p represents the cost, in pounds, and n represents the number of oranges purchased, which equation best represents this relationship?

• p=0.42n

• p=2.52n

• p=6n

• p=15.12n

Bananas cost £0.45 per pound. What equation is used to find C, the total cost of p pounds of bananas?

• C = 0.45p

• C = p + 0.45

• 0.45C = p

• 0.45 + C = p

Steve, Phil and Anne share a lottery win in the ratio 2:2:3. If Anne's share was £36,000 how much did Steve and Phil win?

• £24,000

• £30,000

• £40,000

• £35,000