Question

He multiplication table below can be used to find equivalent ratios.

A multiplication table.

Which ratio is equivalent to the ratio 18:24?
15:20
20:15
30:36
36:30

Answer 1

15:20

Explanation:

18:24 can be written
`(18)/(24)` if I simplify this by dividing the top and bottom by 6, I get
`(3)/(4)`

I am looking for what other ration will reduce to
`(3)/(4)`

`(15)/(20)` Divide the top and bottom by 5 and you will get
`(3)/(4)`