Question

A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 29 ​pennies, 13 ​dimes, and 21 quarters. The rest of the coins are nickels. There are 91 coins in all. How many of the coins are not​ nickels? If n represents the number of nickels in the​ jar, what equation could you use to find​ n?

Answer 1

n=28, your answer would be 28 nickels

Answer 2

n+29+13+21=91

Explanation:

63+n=91

n=28

there are 28 nickels