SOLUTION: Lawrence has 10 coins in his pocket. One coin is a quarter, and the others are all nickels or dimes. The coins are worth 90 cents.

Question 931099: Lawrence has 10 coins in his pocket. One coin is a quarter, and the others are all nickels or dimes. The coins are worth 90 cents.
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = nickels
y = dimes
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x + y + 1 = 10
5x + 10y + 25*1 = 90
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put the system of linear equations into standard form
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x + y = 9
5x + 10y = 65
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = nickels = 5
y = dimes = 4
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