The variables y and x have a proportional relationship, and y = 5 when x = 4. What is the value of x when y = 8? Enter your answer in the box. x =

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asked Jun 15, 2019 13.8k views

2 Answers

Kiyoko · Answer 1 · 2019-06-20T11:53:07+0000

Given is -

The variables y and x have a proportional relationship, and y = 5 when x = 4.

(y)/(x)=(5)/(4)

As we have to find the value of x when y= 8 so putting y = 8 in the above relationship, we get :

(8)/(x)=(5)/(4)

5x=32

x=6.4

Hence, the answer is 6.4