taniahharris0696 taniahharris0696

26-03-2021
Mathematics

contestada

A man has 10 more dimes than quarters. he has $2.75 how many of each coin does he have?

Respuesta :

angstar4 angstar4

26-03-2021

5 quarters, 15 dimes

q + 10 = d
0.25q + 0.1d = 2.75

0.25q + 0.1(q + 10) = 2.75
0.25q + 0.1q + 1 = 2.75
0.35q = 1.75
q = 5

Check:

0.25(5)+ 0.1(15)= 2.75
1.25 + 1.5 = 2.75
2.75 = 2.75 :)

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