SOLUTION: A student club is planning a fundraising carwash. Last year, they charged 100 per vehicle & washed 120 vehicles. If for every 20 increase in price, they know they will wash 5 fewer
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Question 1092291: A student club is planning a fundraising carwash. Last year, they charged 100 per vehicle & washed 120 vehicles. If for every 20 increase in price, they know they will wash 5 fewer vehicles. Determine the best price to charge for the car wash so that the proceeds is maximum. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website!
The formula for the n-value of the vertex is
and, also
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The best price to charge is:
$290 per vehicle
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Here's the plot:
The P-values are all divided by
Definitely try to get another opinion if needed
