SOLUTION: Professor I know its a silly problem but I'm actually needing your help. Thanks! A woman has $1.70 in dimes and nickels. She has 5 more dimes thank nickels. How many nickels do

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Question 646528: Professor I know its a silly problem but I'm actually needing your help. Thanks!

A woman has $1.70 in dimes and nickels. She has 5 more dimes thank nickels. How many nickels does she have?
Answer by stanbon(57214) About Me  (Show Source):
You can put this solution on YOUR website!
A woman has $1.70 in dimes and nickels. She has 5 more dimes thank nickels. How many nickels does she have?
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Value Equation: 10d + 5n = 170 cents
Quantity Eq:::: d = n + 5
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Substitute for "d" and solve for "n":
10(n+5) + 5n = 170
10n + 50 + 5n = 170
15n = 120
n = 8 (# of nickels)
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Solve for "d":
d = n+5
d = 8+5
d = 13 (# of dimes)
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Cheers,
Stan H.
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