SOLUTION: Assume y & x If y =12 when x= 15 Find x when y = 12

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Question 1017673: Assume y & x
If y =12 when x= 15
Find x when y = 12
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
Assume y & x
If y =12 highlight%28cross%28when%29%29 then x= 15
Find x when y = 12
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Answer. Then x = 15.


Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Assume y & x
If y =12 when x= 15
Find x when y = 12
Set up a proportion, equating x to x, and y to y, as follows:

x%2Fy+=+x%2Fy ------> 15%2F12+=+x%2F12 --------> highlight_green%28x+=+15%29, equating numerators, since denominators are similar.