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Gronk has water and a solution that is 90% Gatorade. How many gallons of water should be mixed with the Gatorade to make 20 gallons of a new mixture that is 72% Gatorade?

 Feb 8, 2021
 #1
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Gatorade in ingrediants = gatorade in final product

x = amount of 90% mix

 

.9 x   = .72 (20)

 

x = 16 gallons     to make the final mixture volume 20 gallons, add 4 gallons of water.

 Feb 8, 2021
 #3
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i had the same thing on my test lmao

Guest Feb 8, 2021
 #2
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thank you, later I found the the system of equations was

 

x+y=20

(y*90%)/(x+y)=72%

and I got x=4, y=16, just like you got, awesome soultion by you also.

 Feb 8, 2021

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