Intro to Ratios and Proportions

Simplify as fully as possible 28:42

• 14 : 21

• 3 : 2

• 1 : 1.5

• 2 : 3

In a class of 10 boys and 14 girls the ratio of girls to boys is

• 10 : 14

• 1 : 2

• 7 : 5

• 5 : 7

What ratio is equivalent to 3:5

• 30 : 500

• 9 : 15

• 13 : 1 5

• 1 : 2

Mr Coope drives 472 miles in 8 hours. At this rate, how many miles would he drive in 6 hours?

• 381

• 340

• 101

• 354

5 / 7 = ? / 56

• 8

• 4

• 40

• 35

Which ratios are equivalent to 18:21

• 3:7

• 6:7

• 38:42

• 36:42

Share 150 sweets in the ratio 3:7:5

• 15:35:25

• 30:50:70

• 30:70:50

• 13:17:15

The ratio of numbers of girls and boys participating in sports of a school is 4:5. If the number of girls is 153, determine the number of boys participating in the sports.

• 68

• 78

• 85

• 45

Express 5:8 in the ratio n:1

• 1:1.6

• 1.6:1

• 0.625:1

• 6.25:1

In an 8 round tennis tournament Petru wins 3, draws 1 and loses the rest. What is his ratio of wins : lose : draw ?

• 3 : 1 : 4

• 4 : 3: 1

• 3 : 4 : 1

• 4 : 1 : 3