document.write( "Question 920653: paul has a collection of nickels and dimes that has a total value of $12.50. He has 150 coins in all. How many dimes does Paul have? \n" ); document.write( "
Algebra.Com's Answer #558512 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! paul has a collection of nickels and dimes that has a total value of $12.50. He has 150 coins in all. How many dimes does Paul have? \n" ); document.write( "----------------- \n" ); document.write( "Value Eq::: 5n + 10d = 1250 cents \n" ); document.write( "Quantity::: n + d = 150 \n" ); document.write( "------- \n" ); document.write( "Modify:: \n" ); document.write( "n + 2d = 250 \n" ); document.write( "n + d = 150 \n" ); document.write( "------- \n" ); document.write( "Subtract and solve for \"d\":: \n" ); document.write( "d = 100 (# of dimes) \n" ); document.write( "------ \n" ); document.write( "n = 150-d = 50 (# of nickels) \n" ); document.write( "------------------------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |