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4 years ago

13

NEED HELP!

2 answers:

serious [3.7K]4 years ago

8 0

The equation would be d+q=$10.25

olga nikolaevna [1]4 years ago

3 0

D + q = 50

10d + 25q = 1025

Multiply the first equation by 10.

10(d + q = 50) --> 10d + 10q = 500

We combine this with the second equation

10d + 25q = 1025
10d + 10q = 500

--------subtract--------
15q = 525 iff
q = 35

Plug in q = 35 into any of the original equations,

d + q = 50
d + 35 = 50 iff
d = 15

There are 15 dimes, and 35 quarters.

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