Question

1. Counting 38 cu. ft. of coal to a ton, how many tons will a coal bin 19 ft long, 6 ft wide and 9 ft
deep contain when level full:
2. A tank open at the top, is made of sheet of iron 1 inch thick. The internal dimensions of the
tank are 4 ft. 8 in. long, 3 ft. 6 in. wide, 4 ft. 4 in. deep. Find a) the weight of the tank when
empty; b) when full of salt water. (salt water weighs 64 lb/ft³, iron is 7.2 times as heavy as
saltwater)
3. The edges of s trunk are 3 ft, 4 ft and 6 ft. A second trunk is twice as long, the other edges are 4 ft by 4 ft. How do their volumes differ?
4. A solid concrete porch consists of three steps and a landing.
The steps have a tread of 11 in., a rise of 7 in., and length
of 7 ft. The landing is 6 ft by 7 ft. How much material was
used in its construction?