Posted by Eric on .
Walterwants to replace some fence on his farm the wooden rail fence cost about $60 for the wood and $50 for labor to install a fence 12 feet long. He estimated he would need276 feet of new fence, however when he measured it he realized he would only need 216 feet of fence what is the difference in the two estiments in regard to how many feet of fence are needed

math 
Anonymous,
woulnd't you just subtract 216 from 276 to get your answer?