document.write( "Question 630531: a coin bank contains only nickels and dimes. The total value of the coins in the bank is $2.50. If the nickels were dimes and the dimes were nickels the total value of the coins would be $3.50. Find the number of nickels in the bank
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Algebra.Com's Answer #396975 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 5n+10d=250; \n" ); document.write( "5d+10n=350 \n" ); document.write( "d=10 n=30 \n" ); document.write( "check \n" ); document.write( "150+100=250 \n" ); document.write( "ok \n" ); document.write( "50+300=350 \n" ); document.write( "ok \n" ); document.write( " |