Question

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Answer 1

x=15

Explanation:

`(5)/(4)=(x)/(12)\\`

5/4 is a proportion that is equivalent to x/12, like how 1/4 is proportional to 25/100. Cross multiply to find the missing values.

➡
`5*12=4*x`

➡
`60=4x`

➡
`(60)/(4) =x`

➡
`x=15`

Answer 2

x = 15

Explanation:

First, you cross multiply both terms:

5 * 12 = 4 * x

Then, you simplify it.

60 = 4x

(60 = 4x)/4 =

15 = x