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Mathematics 15 Online
OpenStudy (anonymous):

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

OpenStudy (studygurl14):

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.

OpenStudy (studygurl14):

@yolinava16 u there?

OpenStudy (anonymous):

Yes thank you @StudyGurl14

OpenStudy (studygurl14):

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

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