Mackenzie S.
asked • 10/27/17
n=-p^2-3p+340. What should the person charge for oil wrench if he wants to sell 300 per week?
Andy C.
answered • 10/27/17
Math/Physics Tutor
300 = -p^2 - 3p + 340
p^2 + 3p - 340 + 300 = 0
p^2 + 3p - 40 = 0
(p + 8)(p - 5 ) = 0
p +8=0 results in a negative price
p = 5
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