SOLUTION: Given the formula P=-x/2 +75. Find the unit price if seven items are sold.

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Question 67815: Given the formula P=-x/2 +75. Find the unit price
if seven items are sold.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X REPRESENTS THE NUMBER OF ITEMS SOLD
THUS REPLACING X BY 7 IN THIS CASE WE GET
P=-7/2+75 NOW WE DIVIDE -7 BY 2 AND GET -3.5
P=-3.5+75 NOW WE SUBTRACT THE 3.5 FROM 75 AND WE GET
P=71.5 WHICH IS THE PRICE WHEN 7 UNITS ARE SOLD.
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