Question

Kamila plans to build a concrete block wall behind her house. The wall will be 12 feet long, 6 feet high, and 8 inches thick. Each concrete block measures 16 inches long by 8 inches wide by 8 inches deep.

How many blocks will Kamila need to build the wall?
Each concrete block has two holes through the middle of the block. The holes are 4 inches wide by 4.5 inches long. What is the volume of one concrete block?

Each concrete block weighs 36.5 pounds. What is the total weight of the concrete wall?
If each block is solid concrete, how much would one block weigh?
In your final answers, i

Answer 1

For the first part you need to divide the area of the wall by the area of a single block to get the number of blocks you will need.