Question

Which sets of ratios are a proportion? (Choose all that apply) *

3/11 and 17/6

12/7 and 36/21

60/55 and 7/25

7/6 and 52/48

4/10 and 8/20

Answer 1

Sets of Ratios that are Proportion

3/11 and 17/6

12/7 and 36/21

60/55 and 7/25

7/6 and 52/48

4/10 and 8/20

Solution:

> 12/7 and 36/21

`(12)/(7) = (36)/(21) \\ 12(21) = 36(7) \\ 252 = 252`

> 4/10 and 8/20

`(4)/(10) = (8)/(20) \\ 4(20) = 8(10) \\ 80 = 80`