Lisa got 9/10 gallon of olive oil from a gourmet shop. She calculated the quotient of 9/10 ÷ 2/5 . Explain what the quotient of this problem would represent.

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.