Conner C.

asked • 02/14/17

a walkway with uniform width has area 126m^2 and surrounds a rose garden that is 9m by 15m wide. find the width of the walkway

i need help on this problem with the steps

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Dr Gulshan S. answered • 02/14/17

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Let X = width of walkway
 
Area of Walkway = Outer area - inner area
  (15+2X)( 9+2X) - 15x9  = 126
135 +18 X +30X +4X2 -135 -126=0
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Arthur D.

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Doc, in your first equation you have 5x9 instead of 15x9.
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02/14/17

Dr Gulshan S.

Thank you so much Arthur D
 
I am one of your many admirers... I appreciate your way of working... making a difficult concept very simple for a student. Lot to learn from you.
Gulshan S
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02/14/17

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