Jim must plant and stake a tree. The stakes are 2 feet from the base of the tree. They are connected to wires that attach to the trunk at a height of 5 feet. If there is 6 inches of extra length at both ends of each wire, how long must the wire be, to the nearest tenth of a foot? *

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?