Question

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

15
. The total value of the coins is
$
1.00
. How many of each type of coin are in the jar?

Answer 1

5 dimes and 10 nickels

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