SOLUTION: This is a word question. Only using 5 & 10 dollar bills, if you have a total of $90 and 15 total bills how many of each bill do you have?
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Question 276510: This is a word question. Only using 5 & 10 dollar bills, if you have a total of $90 and 15 total bills how many of each bill do you have? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of $5 bills
Let = number of $10 bills
given:
(1)
(2)
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Multiply both sides of (1) by
and subtract from (2)
(2)
(1)
and, since
(1)
You have 12 $5 bills and 3 $10 bills
