A jar contains only pennies, nickels, dimes, and quarters. There are 16 pennies, 18 dimes, and 28 quarters. The rest of the coins are nickels. There are 84 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?

I hope this helps you

Step-by-step explanation:

84-16=68

68-18=50

50-28=22

n=22

equation:84-(16+18+28)

it would be:

c.parallelogram.

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step-by-step explanation: