SOLUTION: Paul put postage worth $1.83 on a package he sent to his sister. He used a total of 15 stamps. He used a combination of 15 cent and 8 cent stamps to add up to $1.83. How many of

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Question 1169527: Paul put postage worth $1.83 on a package he sent to his sister.
He used a total of 15 stamps. He used a combination of 15 cent and 8 cent stamps
to add up to $1.83. How many of each type of stamp did he use?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Paul put postage worth $1.83 on a package he sent to his sister.
He used a total of 15 stamps. He used a combination of 15 cent and 8 cent stamps
to add up to $1.83. How many of each type of stamp did he use?
------------------
f = # of fifteens
e = # of eights
----
e + f = 15 ----- # of stamps
8e + 15f = 183 ------- cost of stamps
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etc