Mr.Webster is buying carpet for an exercise room in his basement. The room will have an area of 230 square feet. The width of the room is 12 1/2 feet.What is the length?

Question

asked Jul 13, 2017 205k views

2 Answers

MarianP · Answer 1 · 2017-07-17T20:33:07+0000

Answer:

Length =
18(2)/(5) feet

Explanation:

Simplify the fraction of the width:

12(1)/(2)=(25)/(2)

Using the formula for Area:

$A=l*w\\l=(A)/(w)$

Substituting the known values:

$l=(230)/((25)/(2))\\l=230*(2)/(25)\\l=(460)/(25)\\l=(92)/(5)\\l=18(2)/(5)$