Question

A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 27 ​pennies, ​13 dimes, and 24 quarters. The rest of the coins are nickels. There are 87 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

64 coins are not nickels and the equation used to find 'n' is 87 - (27 + 13 + 24) = n