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- anonymous

As the number of pages in a photo book increases, the price of the book also increases. There is an additional shipping charge of 15%. The price of a book can be modeled by the equation below, where P = the price of the book, 20 is the printing charge, 0.5 is the charge per page, and x = the number of pages. :
P = (20 + 0.5x) + 0.15(20 + 0.5x)
Jennifer wants to purchase a book but only has $62.10 to spend. What is the maximum number of pages she can have in her book?
x = ______________________ pages
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- anonymous

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- Z4K4R1Y4

$62.10 minus (15% of $62.10) = P, then solve for 'x'.

- anonymous

68 it is.
if we call (20 + 0,5x)=a then
a + 15a/100= 115a/100
which is
62,1

- anonymous

\[62.10=20+0.5x+3+0.075x\]

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- anonymous

hold on i'm so lodt right now

- anonymous

lost*

- anonymous

\[39.10=0.575x\]
then solve x by yourself.

- anonymous

x=68?

- anonymous

yeah

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