SOLUTION: A person has 20 coins consisting of dimes and quarters. If the total amount of money is $4.85, how many quarters are there?
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Question 942710: A person has 20 coins consisting of dimes and quarters. If the total amount of money is $4.85, how many quarters are there?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = number of dimes
y = number of quarters
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x + y = 20
10x + 25y = 485
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put the system of linear equations into standard form
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x + y = 20
10x + 25y = 485
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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 = 1
y = 19
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