2 years ago

A jar contains only dimes and nickels. The total number of coins in the jar is

Mathematics

1 answer:

pogonyaev2 years ago

4 0

Answer:

5 dimes and 10 nickels

Step-by-step explanation:

0.1d + 0.05n = 1

d + n = 15

d + 0.5n = 10

d + n = 15

0.5n = 5

n = 10

d + n = 15

d + 10 = 15

d = 5

Answer: 5 dimes and 10 nickels

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