Math09

M109 Name:___________________________________

Spring 2021

1. A cubic foot of water is approximately 7.5 gallons. How many gallons of water are needed to fill a 30’x25’x4’ deep swimming pool?

2. What is the weight of 500 bricks needed to construct a fireplace? Each brick is 10”x 4”x 3”. A cubic foot of bricks weighs 90 pounds.

3. How many circular pipes with inside diameter 3 inches are needed to carry the same amount of water as a pipe with inside diameter 3 feet?