mira122804 mira122804

30-12-2019
Mathematics

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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?

Respuesta :

ainsley0065 ainsley0065

30-12-2019

Answer:

40 = d+q

7.15=0.10d+0.25q

there are 19 dimes and 21 quarters.

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