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

How many of each coin does he have?

How many dimes?
How many quarters?

Sagot :

Scrublord872idn

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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