The length of a rectangular field is 20 less than its width. The area of the field is 12,000 ft2. What is the width of the field?
80 ft
100 ft
120 ft
140 ft

Question

The length of a rectangular field is 20 less than its width. The area of the field is 12,000 ft2. What is the width of the field?
80 ft
100 ft
120 ft
140 ft

studygurl14 · Answer

Hello @yolinava16 ! Welcome to Openstudy!

The area of a rectangle is the length x the width. 

$\Large A=l\times w$
$\Large A = 12000$
$\Large l=w-20$
Plug in and solve for w.

studygurl14 · Answer

@yolinava16 u there?

anonymous · Answer

Yes thank you @StudyGurl14

studygurl14 · Answer

You're welcome. Do you know how to give a medal to someone who helps you?