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leandra has 40 coins that total 7.15 all of her coins are dimes,d, and quarters,q, which system of equations models this situation?
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leandra has 40 coins that total 7.15 all of her coins are dimes,d, and quarters,q, which system of equations models this situation?

User Nikita Barishok
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1 Answer

3 votes

Answer:

40 = d+q

7.15=0.10d+0.25q

there are 19 dimes and 21 quarters.

User LorenzCK
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