Question

If y=61 when x=-305 what is y when x=-315?

Answer 1

You can set up a proportion. \[\frac{ 61 }{ -305 } = \frac{ y }{ -315 }\]
Cross Multiply:
-305y = 61 x -315
Simplify:
-305y = -19215
Divide to solve for Y:

Y= 63.

Answer 2

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