document.write( "Question 235415: A jar of dimes and quarters contains $10.95. There were 93 coins in the jar. How many dimes were in the jar? \n" ); document.write( "
Algebra.Com's Answer #173411 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! q+d=93 q=93-d \n" ); document.write( ".25q+.10d=10.95 \n" ); document.write( ".25(93-d)+.10d=10.95 \n" ); document.write( "23.25-.25d+.10d=10.95 \n" ); document.write( "-.15d=10.95-23.25 \n" ); document.write( "-.15d=-12.30 \n" ); document.write( "d=-12.30/-.15 \n" ); document.write( "d=82 number of dimes. \n" ); document.write( "q+82=93 \n" ); document.write( "q=93-82 \n" ); document.write( "q=11 number of quarters. \n" ); document.write( "Proof: \n" ); document.write( ".25*11+.10*82=10.95 \n" ); document.write( "2.75+8.20=10.95 \n" ); document.write( "10.95=10.95 \n" ); document.write( " \n" ); document.write( " |