SOLUTION: Twenty-five coins, a combination of dimes and quarters, are worth $4.75. How many coins are dimes? How many are quarters?
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Question 342225: Twenty-five coins, a combination of dimes and quarters, are worth $4.75. How many coins are dimes? How many are quarters?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Total number of coins
1.
Total value of coins
2.
From eq. 1,
Substitute into eq. 2,
Then from eq. 1,
There are 10 dimes and 15 quarters.
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