document.write( "Question 1059588: revenues for a video rental store are $650 for 250 rentals. the rentals fee for movies is $3.00 each and the rental fee for video games cartridges is $2.50 each. determine the number of each type that are rented. \n" ); document.write( "
Algebra.Com's Answer #674625 by addingup(3677) You can put this solution on YOUR website! movies: x \n" ); document.write( "video games: y \n" ); document.write( "x+y = 250 subtract x from both sides: y = 250-x \n" ); document.write( "next: \n" ); document.write( "3x+2.50y = 650 substitute for y: \n" ); document.write( "3x+2.50(250-x) = 650 \n" ); document.write( "3x+625-2.50x = 650 \n" ); document.write( "0.50x = 25 \n" ); document.write( "x = 50 this is how many movies were rented \n" ); document.write( "250-50= 200 games were rented \n" ); document.write( "------------------------------------------------- \n" ); document.write( "Check: \n" ); document.write( "50*3 = 150 \n" ); document.write( "200*2.50 = 500 \n" ); document.write( "----------------- \n" ); document.write( "Total : 650 Correct \n" ); document.write( " |