SOLUTION: Fax paper cost $17.00 per case and copier paper $11.00 per case. If an order is received for a total of 250 cases for $3,650.00, what is the exact number of cases copier paper?( h

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Question 193840: Fax paper cost $17.00 per case and copier paper $11.00 per case. If an order is received for a total of 250 cases for $3,650.00, what is the exact number of cases copier paper?( hint:Let F=cases of fax paper)
Answer by Mathtut(3670) About Me  (Show Source):
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ok let F be the # of cases of fax paper and let C be the number of cases copier paper
:
F+C=250...........eq 1
17F+11C=3650......eq 2
:
rewrite eq 1 to f=250-C and plug this value into eq 2
:
17(250-C)+11C=3650
:
4250-17C+11C=3650
:
-6C=-600
:
C=100 cases of copier paper
:
F=250-C=250-100=150 cases of Fax paper
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