document.write( "Question 90979: Could you please help me solve this question? One day you sewed two regular book bags and four deluxe book bags and it took you a total of 12.4 hrs. The next day, you sewed three regular and two deluxe and it took a total of 9.4 hrs. How much time does one regular bag take, and how much time does one deluxe bag take? Thank you. \n" ); document.write( "
Algebra.Com's Answer #66056 by checkley75(3666) ![]() You can put this solution on YOUR website! 2R+4D=12.4 \n" ); document.write( "3R+2D=9.4 NOW MULTIPLY THIS EQUATION BY -2 AND ADD THESE 2 EQUATIONS. \n" ); document.write( "-6R-4D=-18.8 \n" ); document.write( "2R+4D=12.4 \n" ); document.write( "-------------------------------- \n" ); document.write( "-4R=-6.4 \n" ); document.write( "R=-6.4/-4 \n" ); document.write( "R=1.6 HOURS TO MAKE A REGULAR BAG. \n" ); document.write( "2*1.6+4D=12.4 \n" ); document.write( "3.2+4D=12.4 \n" ); document.write( "4D=12.4-3.2 \n" ); document.write( "4D=9.2 \n" ); document.write( "D=9.2/4 \n" ); document.write( "2.3 HOURS FOR THE DELUX BAG. \n" ); document.write( "PROOF \n" ); document.write( "3*1.6+2*2.3=9.4 \n" ); document.write( "4.8+4.6=9.4 \n" ); document.write( "9.4=9.4 \n" ); document.write( " |