Asked by kiranmayi
when the price of a box of peanuts is increased by 30% its sales decreased by x% such that the revenue decreased by 9%.what is the value of x?
Answers
Answered by
Steve
revenue is price * sales, so
(1.3p)(1-x)s = ps(1-.09)
x = 30%
(1.3p)(1-x)s = ps(1-.09)
x = 30%
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