Question

Variables y and x have a proportional relationship, where y = 18 when x = 2.

What is the value of x when y = 36?
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x=

Answer 1

x = 4

Explanation:

If y = 36, that means the original y = 18 was multiplied by 2. So, we have to multiply x = 2 by 2 as well.

2 * 2 = 4, so x = 4