document.write( "Question 1025832: Marie has $2.20 in dimes and quarters. If the number of dimes is 1/4 the number of quarters, how many dimes does she have \n" ); document.write( "
Algebra.Com's Answer #641130 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "D=number of dimes; Q=number of quarters=4D \n" ); document.write( ". \n" ); document.write( "$0.10D+$0.25Q=$2.20 . Substitute for Q \n" ); document.write( "$0.10D+$0.25(4D)=$2.20 \n" ); document.write( "$0.10D+$1.00D=$2.20 \n" ); document.write( "$1.10D=$2.20 \n" ); document.write( "D=2 \n" ); document.write( ". \n" ); document.write( "Q=4D=4(2)=8 \n" ); document.write( ". \n" ); document.write( "ANSWER: Marie has 2 dimes and 8 quarters. \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( ". \n" ); document.write( "$0.10D+$0.25Q=$2.20 \n" ); document.write( "$0.10(2)+$0.25(8)=$2.20 \n" ); document.write( "$0.20+$2.00=$2.20 \n" ); document.write( "$2.20=$2.20 \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " |