document.write( "Question 829454: a purse contains $ 6.50 in quarters and dimes.there are 5 more quarters than dimes.find the number of quarters and dimes \n" ); document.write( "
Algebra.Com's Answer #499861 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a purse contains $ 6.50 in quarters and dimes.there are 5 more quarters than dimes.find the number of quarters and dimes \n" ); document.write( "-------- \n" ); document.write( "Quantity: q = d + 5 \n" ); document.write( "Value: 10d + 25q = 650 cents \n" ); document.write( "------------------------------------ \n" ); document.write( "Modify: \n" ); document.write( "2d - 2q = -10 \n" ); document.write( "2d + 5q = 130 \n" ); document.write( "------------------ \n" ); document.write( "Subtract and solve for \"q\": \n" ); document.write( "7q = 140 \n" ); document.write( "q = 20 (# of quarters) \n" ); document.write( "------ \n" ); document.write( "Solve for \"d\": \n" ); document.write( "d = q - 5 \n" ); document.write( "d = 20-5 \n" ); document.write( "d = 15 (# of dimes) \n" ); document.write( "---------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |