document.write( "Question 1014876: The table shows cost of purchasing textbooks. What is cost of textbook and cost of shipping when 2 textbooks have a total cost of $190. 4 textbooks would total cost $350.
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document.write( "Y=160 (x)+b is so far what I got. \n" );
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Algebra.Com's Answer #631190 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Books =x \n" ); document.write( "shipping = y \n" ); document.write( "2x+y=190 \n" ); document.write( "4x+y=350 \n" ); document.write( "========= \n" ); document.write( "2x+y=190 \n" ); document.write( "-4x-y=-350 \n" ); document.write( "-2x= -160 \n" ); document.write( "x=$80 \n" ); document.write( "========== \n" ); document.write( "y=$30 \n" ); document.write( "========= \n" ); document.write( " \n" ); document.write( " |