Ratios, Percents and Dividing Fractions

Converting between fractions and percents: Convert 60% to a fraction in simplest form.

• 3/5

• 2/3

• 1/6

• 5/3

Solving ratio problem: If the ratio of boys to girls in a class is 3:5 and there are 24 students in the class, how many boys are there?

• 20

• 12

• 15

• 9

Solving ratio problem: If the ratio of red marbles to blue marbles in a jar is 2:5 and there are 35 blue marbles, how many red marbles are there?

• 30

• 25

• 14

• 20

Converting between fractions and percents: Convert 3/4 to a percent.

• 25%

• 75%

• 50%

• 100%

Split £40 into the ratio 3:7

• £12 : £28

• £30 : £70

• £30 : £10

• £28 : £12

Split £10 into the ratio 4:1

• £8 : £2

• £2 : £8

• £40 : £10

• £5 : £15

The hair salon orders dye weekly. The ratio of blonde dye to brunette dye is 6:4. Which represents the amount of dye ordered that is blonde?

• 60%

• 40%

• 66.6...%

• 6%

If 50 is 25% of a number, what is the number?

• 200

• 100

• 150

• 250

Answer explanation

To find the number, divide 50 by 25% (or 0.25). 50 ÷ 0.25 = 200. Therefore, the number is 200.

What percentage of the total juice is orange juice if the recipe calls for 3 parts apple juice to 1 part orange juice for a total of 40 liters?

• 25%

• 75%

What is 1% as a fraction?

• 1/10

• 1/100

• 1/1000

• 1/50