# Math

Sam has a total of 200 dimes and quarters. If the total value of the coins is \$28.10, how many quarters does he have?

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1. what is the value of 200 dimes? Subtract the answer from \$28.10. How many quarters in your answer?

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2. Hmm. Interesting. But if he has 200 dimes, then he would have 0 quarters. I think the interpretation is supposed to be 200 (dimes and quarters), not (200 dimes) and quarters. Besides, you can't make up \$8.10 with just quarters.

d+q = 200
10d+25q = 2810

d = 146
q = 54

check:

14.60 in dimes + 13.50 in quarters = 28.10

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