Question

In the following proportion, what does y equal?

y=39
4 30


A. 156

B. 13

C. 5.2

D. 1.4

Answer 1

C

Explanation:

y / 4 = 39 / 30

y / 4 = 1.3

y / 4 * 4 = 1.3 * 4 (What you do to on side you also do to the other)

y = 5.2

So, your answer should be C, 5.2