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It is estimated that there are 4 grubs per square foot in the typical lawn.  If your lawn has 13200 grubs, what is the area of your lawn in square feet?

 Jun 24, 2021
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We can solve  with a proportion

 

1  / 4  =     x   /  13200           cross-multiply

 

1320    =  4x

 

x = 13200  /  4    =     3300  sq ft   

 

 

cool cool cool

 Jun 24, 2021
edited by CPhill  Jun 24, 2021
edited by CPhill  Jun 24, 2021

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