awesomegrill
06.10.2021 •
Mathematics
As the number of pages in a photo book increases, the price of the book also increases. There is an additional shipping charge of 12%. The price of a book can be modeled by the equation below, where P = the price of the book, 50 is the printing charge, 0.6 is the charge per page, and x = the number of pages: (1 point) P = (50 + 0.6x) + 0.12(50 + 0.6x) Chris wants to purchase a book but only has $80 to spend. What is the maximum number of pages she can have in her book? x = pages
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Ответ:
35 pages
Step-by-step explanation:
First simplify the equation.
P = (50 + 0.6x) + 0.12(50 + 0.6x)
P = 50 + 0.6x + 0.12*50 + 0.12*0.6x
= 50 + 0.6x + 6 + 0.072x
= 50 + 6 + 0.6x + 0.072x {Combine the like terms}
P = 56 + 0.672x
Amount that Chris has with him is $ 80
56 + 0.672x = 80
0.672x = 80 - 56
0.672x = 24
x = 24/0.672
x = 35pages
Ответ:
then added 7. Hope this helps.