1) In the box, we are given two points: (10,7) and (25,17.5).
2) Using these points (and the equation y2-y1/x2-x1), we know that this slope is 0.7 or 7/10.
3) y=0.7x
4) Plug 50 into the equation: y=0.7(50) = 35
Answer
35
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