SOLUTION: A woman has $1.70 in dimes and nickels. She has 5 more dimes than nickels, how many nickels does she have ?
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Question 944293: A woman has $1.70 in dimes and nickels. She has 5 more dimes than nickels, how many nickels does she have ?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = number of nickels
y = number of dimes
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5x + 10y = 170
y = x + 5
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put the system of linear equations into standard form
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5x + 10y = 170
x - y = -5
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http://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = 8
y = 13
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