Question 675486: $150 in $5 dollar bills and $10 dollar bills,if three are more $5 dollar bills than $10 dollar bills, how many of each are there?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! $150 in $5 dollar bills and $10 dollar bills,if three are more $5 dollar bills than $10 dollar bills, how many of each are there?
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Quantity Equation: t = n + 3
Value Equation: 5t + 10n = 150 dollars
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Modify:
t = n + 3
t + 2n = 30
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Substitute for "t" and solve for "n":
n+3 + 2n = 30
3n = 27
n = 9 (# of $10 billes)
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t = 12 (# of $5 bills)
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Cheers,
Stan H.
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