Y and x have a proportional relationship, and y = 7 when x = 2. What is the value of x when y = 21?

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asked Jan 2, 2018 63.2k views

2 Answers

Michy · Answer 1 · 2018-01-07T12:02:51+0000

Y and x have a relationship that is directly proportional;
y = 7 when x = 2
when y = 21 and x = ?
y : x
7 : 2
if we multiply 7 wit 3, the answer is 21
3 x 7 : 2 x 3
21 : 6
So, when y = 21, x = 6

Y and x have a proportional relationship, and y = 7 when x = 2. What is the value of x when y = 21?

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