document.write( "Question 85301: the school car wash charged $5 for a car and $6 for a van a total of 86 cars and vans were washed they earned $475 by solving a linear system how much of each were washed? \n" ); document.write( "
Algebra.Com's Answer #61485 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! C+V=86 C=86-V \n" ); document.write( "5C+6V=475 NOW SUBSTITUTE (86-V) FOR C AND SOLVE FOR V. \n" ); document.write( "5(86-V)+6V=475 \n" ); document.write( "430-5V+6V=475 \n" ); document.write( "V=475-430 \n" ); document.write( "V=45 VANS WASHED. \n" ); document.write( "C+45=86 \n" ); document.write( "C=86-45 \n" ); document.write( "C=41 CARS WASHED. \n" ); document.write( "PROOF \n" ); document.write( "5*41+6*45=475 \n" ); document.write( "205+270=475 \n" ); document.write( "475=475 \n" ); document.write( " |