SOLUTION: A cash drawer contains 160 bills, all 10s and 50s. If the total value of the 10s and 50s is $1,760. How many of each type of bill are in the drawer? Set up the linear system for
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Question 1004878: A cash drawer contains 160 bills, all 10s and 50s. If the total value of the 10s and 50s is $1,760. How many of each type of bill are in the drawer? Set up the linear system for this problem and solve it.
Find the number of $50 bills. Answer by fractalier(6550) (Show Source):
You can put this solution on YOUR website! Call the numbers of $10 bills and $50 bills, x and y.
Then x + y = 160 and the value equation is
10x + 50y = 1760
Now multiply the first equation by 10 and subtract from the second...
10x + 50y = 1760
-(10x + 10y = 1600)
and get
40y = 160
y = 4 $50 bills
