# Question #85352

##### 1 Answer

Oct 25, 2016

#### Explanation:

This is a unit cancellation problem. Bear in mind that when we write

#=(8.5xx5)/2" ft"#

#=21.25" ft"#

Oct 25, 2016

This is a unit cancellation problem. Bear in mind that when we write

#=(8.5xx5)/2" ft"#

#=21.25" ft"#