SOLUTION: Company A charged a one-time setup fee of $40 and $1.25 per page to print a book. Company B charged a one-time setup fee of $25 and $1.30 per page to print a book.
(a) Where would
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Question 1135654: Company A charged a one-time setup fee of $40 and $1.25 per page to print a book. Company B charged a one-time setup fee of $25 and $1.30 per page to print a book.
(a) Where would it have been cheaper to print a book that has 160 pages?
(b) How many pages should a book have for both companies to charge the same amount in printing cost?
Found 2 solutions by josgarithmetic, josmiceli:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x, the number of pages
Company A, cost
Company B, cost
That should be enough for you to handle the two questions.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = cost of printing a book
Let = the number of pages
--------------------------------------------
Company A:
(1)
Company B:
(2)
------------------------------
(a)
(1)
(1)
(1)
-----------------------
(2)
(2)
(2)
Company B is cheaper
------------------------------
(b)
Set both costs equal
For 300 pages the costs are the same
--------------------------------------------
check:
(1)
(1)
(1)
and
(2)
(2)
(2)
OK
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