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Mathematics
OpenStudy (anonymous):

Your piggy bank has a total of 41 coins in it; some are dimes and some are nickels. If you have a total of $3.45, how many nickels do you have?

OpenStudy (anonymous):

\[10x+5(41-x)=345\] solve for x

OpenStudy (anonymous):

where x is the number of dimes i get x = 28 so 28 dimes and the rest nickels

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