SOLUTION: 1. Kyung Soo has been saving her babysitting money. She has $69.00 consisting of $5 bills and $1 bills. If she has a total of 25 bills, how many $5 bills and how many $1 bills does
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Question 776587: 1. Kyung Soo has been saving her babysitting money. She has $69.00 consisting of $5 bills and $1 bills. If she has a total of 25 bills, how many $5 bills and how many $1 bills does she have?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Kyung Soo has been saving her babysitting money. She has $69.00 consisting of $5 bills and $1 bills. If she has a total of 25 bills, how many $5 bills and how many $1 bills does she have?
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Equations:
# of bills:: f + o = 25 bills
Value of bills: 5f + o = 69 dollars
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Subtract and solve for "f":
4f = 44
f = 11 (# of $5 bills)
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Solve for "o":
f + o = 25
11 + o = 25
o = 14 (# of $1 bills)
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Cheers,
Stan H.
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