document.write( "Question 914340: The total cost of 5 pens and 10 pencils is 30. If a pen cost 3 more than a pencil, find the price of a pen and a pencil. \n" ); document.write( "
Algebra.Com's Answer #555030 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! x the pencil cost \n" ); document.write( "5(x+3) + 10x = $30 \n" ); document.write( "15x = $15 \n" ); document.write( "x = $1, the pencil cost. Pen $4 \n" ); document.write( "And...checking \n" ); document.write( "$20 + $10 = $30 \n" ); document.write( " |