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A rectangle is three times as long as it is wide. Determine a simplified expression that shows how the area will change if the length is decreased by 2 and the width is increased by 3.

 

Please show your work 

 

Thanks :)

 Mar 9, 2017

Best Answer 

 #1
avatar+118587 
+5

A rectangle is three times as long as it is wide. Determine a simplified expression that shows how the area will change if the length is decreased by 2 and the width is increased by 3.

 

Hello Julius,

I would like to help you work this out rather than just doing it for you.

 

What is the area of any rectangel?

 

A rectangle is three times as long as it is wide.

Let the width be w.

What is the length?

What is the area?

 

length is decreased by 2 and the width is increased by 3

What is the new width and length in terms of w?

What is the new area?

 

Now compare the old area to the new area. :)

 Mar 9, 2017
 #1
avatar+118587 
+5
Best Answer

A rectangle is three times as long as it is wide. Determine a simplified expression that shows how the area will change if the length is decreased by 2 and the width is increased by 3.

 

Hello Julius,

I would like to help you work this out rather than just doing it for you.

 

What is the area of any rectangel?

 

A rectangle is three times as long as it is wide.

Let the width be w.

What is the length?

What is the area?

 

length is decreased by 2 and the width is increased by 3

What is the new width and length in terms of w?

What is the new area?

 

Now compare the old area to the new area. :)

Melody Mar 9, 2017
 #2
avatar+12525 
+5

A rectangle is three times as long as it is wide. Determine a simplified expression that shows how the area will change if the length is decreased by 2 and the width is increased by 3.


laugh

 Mar 9, 2017

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