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Umnica [9.8K]
3 years ago
8

Deangelo has $7 worth of dimes and quarters in a jar. He has 7 more quarters, than dimes.

Mathematics
1 answer:
STALIN [3.7K]3 years ago
5 0

Answer:

y = 15 and x = 22

Step-by-step explanation:

700 = 25x + 10y

x = y + 7

700 = 25(y +7) + 10y

700 = 35y + 175

525 = 35y

15 = y

700 = 25x + 150

550 = 25x

22 = x

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