SOLUTION: Fifteen percent of the coins in a piggy bank are nickels and 5% are dimes. If there are 220 coins in the bank, how many are NOT nickels or dimes?
(A) 80 (B) 176 (C) 18
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Question 252890: Fifteen percent of the coins in a piggy bank are nickels and 5% are dimes. If there are 220 coins in the bank, how many are NOT nickels or dimes?
(A) 80 (B) 176 (C) 180 (D) 187 (E) 200
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
15+5=percent that are nickels and dimes
100-(15+5)=80 percent not nickels nor dimes
.80*220=number coins not nickels nor dimes
(B) 176
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