A carpenter has a bundle of wood boards that are all 5*^4 square root 10 feet long. He was told by the contractor to cut 2* 4 square root feet off the end of each board in the bundle. What is the length of each of the boards after removing the 2*4 square root 10 foot sections of wood?

Question

anonymous · Answer

the possible answers are
a. 3*^4 square root 10 feet
b. 3*^4 square root 20 feet
c. 5*^4 square root 5 feet 
d. 5*^4 square root 7 feet