document.write( "Question 56438: if 2 hotdogs and 1 hamburger costs 3.39. and 3 hotdogs and 3 hamburgers cost 6.57, how much does a hotdog cost? \n" ); document.write( "
Algebra.Com's Answer #38287 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 2D+1B=3.39 \n" ); document.write( "3D+3B=6.57 MULTIPLY EQ #1 BY -3 WE GET \n" ); document.write( "-6D-3B=-10.17 NOW ADD TO EQ #2 \n" ); document.write( "3D+3B=6.57 \n" ); document.write( "------------------------- \n" ); document.write( "-3D=360 \n" ); document.write( "D=3.60/-3 \n" ); document.write( "D=$1.20 THE COST OF ONE HOTDOG \n" ); document.write( " |