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tekilochka [14]
2 years ago
15

A jar is full of 100 coins. All of the coins are either nickels or dimes.

Mathematics
1 answer:
Elza [17]2 years ago
5 0

Answer:

73 nickels, 27 dimes

Step-by-step explanation:

x+y=100

5x+10y=635

x=100-y

5(100-y)+10y=635

500-5y+10y=635

500+5y=635

5y=135

y=27

5x+10(27)=635

5x+270=635

5x=365

73

73+27=100

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