Solve the problem below. NOTE: Final answer is an integer. Write your answer in digits only. Punctuations, letters, and words are not allowed. 4. An open rectangular tank is made of iron 5 cm thick. The inner dimensions are 1.75 m long by 1.5 m wide by 1.25 m high. Find the weight (in tons) of the tank when full of water. The specic gravity of iron is 7.9. 5. In a lot 12.2 m long and 6.5 m wide, a cellar is to be dug. The cellar should be 5.5 m long, 3.6 m wide, and 2.4 m deep. The earth removed is to be used to ll the surrounding yard. What depth of ll can be made? 6. A stainless steel tank whose outer dimensions are 2 m by3 m by1 m isto be used for storing cooling water. If the steel is 5 cm, how many cubic meters of water can be stored in the closed tank? Round off answer to the nearest integer. \f