document.write( "Question 1103376: A carpenter purchased 70 ft of redwood and 90 ft of pine for a total cost of $343. A second purchase, at the same prices, included 90 ft of redwood and 70 ft of pine for a total cost of $377. Find the cost per foot of redwood and of pine. \n" ); document.write( "
Algebra.Com's Answer #718114 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 70r+90p=343\r \n" ); document.write( "\n" ); document.write( "90r+70p=377 \n" ); document.write( " |