Question

How many gallons of 80% antifreeze solution must be mixed with 60 gallons of 20% antifreeze to get a mixture that is 70% antifreeze? Use the six-step method.

Answer 1

30 gallons of 80%

Answer 2

.80x + .20(60) = .70(x + 60)
Let x = the number of gallons of 80% antifreeze solution

Answer 3

where did you get 80?

Answer 4

nvm