Question

A pipe that's 36 inches long needs to be cut into 21/ 4 -inch long pieces. How many pieces can be cut from this length of pipe? Hint: Change 21/ 4 to an improper fraction before calculating.

a. 9
b. 111/4
c. 44/9
d. 16

Answer 1

Given:

36 inch long pipe

Must be cut into 21/4 inch long pieces

Required:

How many pieces to be cut

Solution:

All you need to do is to divide 36 by 21/4

Dividing this will result to 48/7 pipes or 6 and 6/7 pipes

Answer 2

The pipe is 36 inches long. It will be cut into pieces which is 21/4 inches long.
=> 21/4 - improper fraction.
=> 5.25 or 5 and 1/4

=> 36 inches / 5.25
=> 6.87 inches or 6 87/100