SOLUTION: a woman has $2.65 in dimes & nickels. she has 13 more dimes than nickels. how many nickels does she have
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Question 1030963: a woman has $2.65 in dimes & nickels. she has 13 more dimes than nickels. how many nickels does she have
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a woman has $2.65 in dimes & nickels. she has 13 more dimes than nickels. how many nickels does she have
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Equations:
Quantity Eq:: d - n = 13 coins
Value Eq:: 10d + 5n = 265 cents
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Modify for elimination:
d - n = 13
2d + n = 53
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Add and solve for "d":
3d = 66
d = 22 (# of dimes)
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Solve for "n"
n = d-13
n = 9 (# of nickels)
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Cheers,
Stan H.
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