andrerobinson5 andrerobinson5

15-12-2016
Mathematics

contestada

It takes 70 oz of grass seed to seed 4200ft 2 square ( 4200ft2 ) of lawn. at this rate how much would be needed for 7200ft 2 square ( 7200ft2 ) of lawn ?

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texaschic101 texaschic101

15-12-2016

70 / 4200 = x / 7200
cross multiply
(4200)(x) = (70)(7200)
4200x = 504,000
x = 504,000 / 4200
x = 120 oz <==

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