Answer:
l = 11.19 feet
Step-by-step explanation:
Given that,
The width of a roll of gasket material, b= 16 inches
We need to find the length needed to obtain 15 sq ft of the material.
We know that,
1 foot = 12 inches
⇒ 16 inhces = 1.34 feet
For a rectangular shaped object, area is given by :
A = l×b
So, the required length is 11.19 feet.