SOLUTION: A man has 24 coins in his pocket, all of which are dimes and quarters. If the total value of his change is 480 cents, how many dimes and how many quarters does he have?

Question 945886: A man has 24 coins in his pocket, all of which are dimes and quarters. If the total value of his change is 480 cents, how many dimes and how many quarters does he have?
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 = 24
10x + 25y = 480
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put the system of linear equations into standard form
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x + y = 24
10x + 25y = 480
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solution:
x = 8
y = 16
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