document.write( "Question 510970: Marissa has $4.40 in quarters and dimes. If she has 5 more quarters than dimes, how many of each coin does she have? \n" ); document.write( "
Algebra.Com's Answer #341973 by stanbon(75887) ![]() You can put this solution on YOUR website! Marissa has $4.40 in quarters and dimes. If she has 5 more quarters than dimes, how many of each coin does she have? \n" ); document.write( "------------------ \n" ); document.write( "Value:::: 10d + 25q = 440 cents \n" ); document.write( "Quantity: q = d + 5\r \n" ); document.write( "\n" ); document.write( "--- \n" ); document.write( "Substitute for \"q\" and solve for \"d\": \n" ); document.write( "10d + 25(d+5) = 440 \n" ); document.write( "10d + 25d + 125 = 440 \n" ); document.write( "35d = 315 \n" ); document.write( "d = 9 (# of dimes) \n" ); document.write( "--- \n" ); document.write( "Solve for \"q\": \n" ); document.write( "q = d+5 \n" ); document.write( "q = 14 (# of quarters) \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |