Question

How much waster must be addded to 1 gallon of pure antifreeze to get 60% or antifreeze?

Answer 1

1 gal of water, seems pretty obvious, but it you want an equation where x = amt of water

:

x = .5(x+1)

x = .5x + .5

x - .5x = .5

.5x = .5

x = 1 gal

thanx

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