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11-10-2017
Mathematics

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A piggy bank contains $2.40 in nickels and dimes. If there are 33 coins in all, how many nickels are there?

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gbetancesll gbetancesll

11-10-2017

Let’s let the number of nickels be x. Then the number of dime must be 33-x.then 5x+10(33-x)=240 5x+330-10x=240 330 5x=240 x5=90x=18

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