Ratio and Percent Review

Find the Percent

100

What percent is 40 of 95?

42.10%

200

What percent is 15 of 60?

25%

300

The drama club had an election to select a president. 25% of the 120 members of the club voted in the election. How many members voted?

30 members

400

David's restaurant has spicy wings and mild wings. This morning, the restaurant served 50 wings in all, 70% of which were spicy. How many spicy wings did the restaurant serve?

35 spicy wings

500

At William's Swimwear, 75% of the 40 swimsuit styles are bikinis. How many bikini styles are there?

30 are bikinis

Find the Part

100

25 is 80% of what number?

31.25

200

30 is 75% of what number?

40

300

24 out of the 96 magazines at the bookstore are women's magazines. What percentage of the magazines at the bookstore are women's magazines?

25%

400

17 out of the 34 people in a company meeting were managers. What percentage of the meeting attendees were managers?

50%

500

Hugo's Tea Shop has caffeinated tea and decaffeinated tea. The tea shop served 36 teas in all, 27 of which were caffeinated. What percentage of the teas were caffeinated?

75%

Find the Whole

100

18 is 20% of what number?

90

200

24 is 80% of what number?

30

300

The students at Pamela's school voted between a bear and a lion as the new school mascot. 90 students voted for the bear. If this was 78% of the school, how many total students voted?

(round the answer to the nearest whole number)

115 students

400

Ronald brought chocolate and vanilla cupcakes to school for his birthday. 45% picked vanilla cupcakes.  If 42 students picked a vanilla cupcake, how many total cupcakes did Ronald bring in?

(Round your answer to the nearest whole number)

93 cupcakes

500

In hopes of encouraging healthier snacks at school, Natalie brought in a tray of carrot sticks and apple slices to share. 60% of the tray was apple slices.  If there were 36 apple slices how many carrot sticks were there?

60 carrot sticks

Converting

100

Turn the fraction 3/5 to a decimal, a percent a ratio.

Decimal: .60

Percent: 60%

Ratio: 3:5

200

Convert 35% to a decimal, a fraction, and a ratio.

Decimal:.35

Fraction: 35/100 or 7/20

Ratio:35:100 or 7:20

300

Convert the ratio 4:6 to a fraction, decimal, and percent.

Fraction: 4/6

Decimal: .66

Percent: 66%

400

Convert the decimal .65 to a percent, fraction, and a ratio.

Percent: 65%

Fraction 65/100 or 13/20

Ratio: 13:20

500

Convert this part to part ratio 6 cats to 3 mice to a fraction about cats, decimal, and a percent.

*Hint: What type of ratios are fractions?

Fraction: 6/9

Decimal: .66

Percent: 66%

Ratios/Rates

100

A 6 pack of sodas costs $3.98. How much does one soda cost?

$.66

200

Mr. Smith drove 350 miles in 5 hours.  How fast was he going per hour?

70 miles per hour

300

The ratio of cats to dogs is 3:4. If there are 24 dogs, how many cats are there?

18 cats

400

On the farm, the ratio of horses to cows is 5:7. If there are a total of 25 horses, how many cows are there?

35 cows

500

At Food Lion John can get a 5 pounds of apples for $4.50, but at Walmart her can get 7 pounds of apples for $6.44.  Which store has the better deal?

Food Lion: $.90 per pound

Walmart: $.92 per pound

Food Lion is the better deal.