document.write( "Question 990273: the cost for a ride on the big wheel flyer for 2 adults and 2 children is $116. the cost for 5 adults and 3 children is $245. find the cost of a class of 4 teachers and 44 pupils to ride on the big wheel flyer. \n" ); document.write( "
Algebra.Com's Answer #610311 by macston(5194) You can put this solution on YOUR website! . \n" ); document.write( "A=cost for 1 adult; C=cost for 1 child \n" ); document.write( ". \n" ); document.write( "2A+2C=$116 Multiply by (-3). \n" ); document.write( "-6A-6C=-$348 Add this equation below. \n" ); document.write( ". \n" ); document.write( "5A+3C=$245 Multiply by 2. \n" ); document.write( ". 10A+6C=$490 Add equation from above. \n" ); document.write( ". -6A-6C=-$348 \n" ); document.write( "----------------- \n" ); document.write( "4A=$142 \n" ); document.write( "A=$35.50 \n" ); document.write( ". \n" ); document.write( "ANSWER 1: It costs $35.50 per adult to ride. \n" ); document.write( ". \n" ); document.write( "2A+2C=$116 \n" ); document.write( "2C=$116-2A \n" ); document.write( "C=($116-2A)/2 \n" ); document.write( "C=($118-2($35.50))/2=($116-$71)/2=$45/2=$22.50 \n" ); document.write( ". \n" ); document.write( "ANSWER 2: It costs $22.50 per child to ride. \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( "10A+6C=$490 \n" ); document.write( "10($35.50)+6($22.50)=$490 \n" ); document.write( "$355+$135=$490 \n" ); document.write( "$490=$490 \n" ); document.write( ". \n" ); document.write( "G=cost for the group (4 teachers and 44 students) \n" ); document.write( "G=4A+44C \n" ); document.write( "G=4($35.50)+44($22.50) \n" ); document.write( "G=$144+$990 \n" ); document.write( "G=$1134 \n" ); document.write( ". \n" ); document.write( "ANSWER: It would cost $1134 for 4 teachers and 44 students to ride.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |