document.write( "Question 958686: A company makes toy cars. It sells red cars for $2 each and black cars for $3 each. If the company sold 44 cars total and made $105, how many red cars were sold? \n" ); document.write( "
Algebra.Com's Answer #585900 by macston(5194)![]() ![]() You can put this solution on YOUR website! R=red cars; B=black cars \n" ); document.write( "R+B=44 \n" ); document.write( "R=44-B \n" ); document.write( "$2R+$3B=$105 Substitute for R. \n" ); document.write( "$2(44-B)+$3B=$105 \n" ); document.write( "$88-$2B+$3B=$105 Subtract $88 from each side. \n" ); document.write( "$1B=$17 Divide each side by $1. \n" ); document.write( "B=17 They sold 17 black cars. \n" ); document.write( "R=44-B=44-17=27 ANSWER: They sold 27 red cars. \n" ); document.write( "CHECK: \n" ); document.write( "$2R+$3B=$105 \n" ); document.write( "$2(27)+$3(17)=$105 \n" ); document.write( "$54+$51=$105 \n" ); document.write( "$105=$105 \n" ); document.write( " |