SOLUTION: An experiment calls for a 6% salt solution. Only a 3% salt solution and an 8% salt solution are available. How many gallons of each must be combined to obtain 40 gallons of a 6% sa

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Question 1046794: An experiment calls for a 6% salt solution. Only a 3% salt solution and an 8% salt solution are available. How many gallons of each must be combined to obtain 40 gallons of a 6% salt solution?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the amount of 8% solution
decimal used for this Arithmetic
MIX
.08x + .03(40gal - x) = .06(40gal)
.05x = .03(40gal)
x = .03(40)/.05) = 24gal , the amount of 8% solution
16gal 40-24 the amount of 3% solution