Question

Determine which of the following proportions are true.I 1mi2hr=12mi24hrII 7min9cents=36min24centsIII

Answer 1

1 and 3

1 * 12 = 12

2 * 12 = 24

so 1 is true

7 * 5.14 = 36

9 * 5.14 = 46.26

so 2 is not true

7 * 4 = 28

2 * 4 = 8

so 3 is true