Question 782859
Sammy has two denominations of coins. Two of the smaller denomination coins and three of the larger denomination coins have a value of $2. Two of the smaller denomination coins and seven of the larger denomination coins have a value of $4. What denominations of coins does Sammy have?
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Equations:
2S + 3L = 2
2S + 7L = 4
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Subtract and solve for "L":
4L = 2
L = $0.5 (L is a half-dollar)
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Solve for "S":
2S + 3L = 2
2S + 1.5 = 2
2S = 0.5
S = $0.25 (S is a quarter)
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Cheers,
Stan H.
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