ANSWERS: 1
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when p = 15 n = 350 point 1 is (15,350). when p=80 x = 0 so point 2 is (80,0). Find the slope between the two points slope = rise/run= delta y/delta x = 0-350/80-15 = -350/65. The line equation is Y=mx+b where m is the slope so y = (-350/65)x + b. Plug in any of the two above points (the one with the zero is easier to use). So 0 = (-350/65)80 + b and solve for b. b = -(-350/65)80 = (350/65)80 or 430.77 so the equation for the tickets between P = 15 and p= 80 is: N(P) = (-350/65)P+430.77
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