Question 1182360
two points define the line
(150, 4.0) and (170, 4.6)
slope is 0.6/20=0.03 cal/pound
use point slope formula y-y1=m(x-x1), m slope (x1, y1) point
y-4=0.03(x-150)
y=0.03x-4.5+4 or
y=0.03x-0.5, x is pounds, y is cal/min.