SOLUTION: How many gallons of a 30% salt solution must be added to 5 gallons of a 10% salt solution to yield a solution that is 17.5% salt?

SOLUTION: How many gallons of a 30% salt solution must be added to 5 gallons of a 10% salt solution to yield a solution that is 17.5% salt?

Algebra.Com

Question 269787: How many gallons of a 30% salt solution must be added to 5 gallons of a 10% salt solution to yield a solution that is 17.5% salt?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
.30X+.10*5=.175(X+5)
.30X+.5=.175X+.875
.30X-.175X=.875-.5
.125X=.375
X=.375/.125
X=3 GALLONS OF 30% SALT IS USED.
PROOF:
.30*3+.10*5=.175(3+5)
.9+.5=.175*8
1.4=1.4
RELATED QUESTIONS
How many gallons of a 30% salt solution must be added to 5 gallons of a 10% salt solution (answered by ikleyn)

How many gallons of 30% salt solution must be added to 5 gallons of a 10% salt solution... (answered by Fombitz)

How many gallons of a 50% salt solution must be mixed with 30 gallons of a 17% solution... (answered by ewatrrr)

want to confirm my answer here on mixture quesiton for homework how many gallons of 30%... (answered by ewatrrr)

How many gallons of pure water must be added to 10 gallons of 30% salt water to make a... (answered by Fombitz)

A tropical fish store has 20 gallons of 15% salt solution. How many gallons of a 8% salt... (answered by josmiceli)

how many liters of a 15% salt solution must be added to 2 liters of a 30% salt solution... (answered by stanbon)

How many gallons of a 60% salt solution must be mixed with 30 gallons of a 13% solution... (answered by amoresroy,josmiceli)

How many gallons of a 10% salt solution must be added to a 15 gallons of a 20% salt... (answered by josmiceli)