SOLUTION: Four liters of a 25% cleaning solution is mixed with a 65% solution to achieve a 45% solution? How much of teh 65% solution is needed?

Question 273214: Four liters of a 25% cleaning solution is mixed with a 65% solution to achieve a 45% solution? How much of teh 65% solution is needed?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Four liters of a 25% cleaning solution is mixed with a 65% solution to achieve a 45% solution? How much of teh 65% solution is needed?
---------------
One-variable solution:
Equation:
active + active = active
0.25*4 + 0.65x = 0.45(4+x)
Multiply thru by 100 to get:
25*4 + 65x = 45*4 + 45x
20x = 20*4
x = 4 liters (amt. of 65% solution needed in the mixture)
=====================
Cheers,
Stan H.
RELATED QUESTIONS
How many liters of 40% acid solution must be mixed with 10 liters of a 65% acid solution... (answered by josgarithmetic)

To get 90ml of a 35% sugar solution, a 65% solution is mixed with a 20% solution. How... (answered by stanbon)

A 25% saltwater solution is mixed with 45% saltwater solution to make 25 liters of 37%... (answered by richwmiller)

"How many liters of a 40% alcohol solution must be mixed with a 65% solution to obtain 20 (answered by stanbon)

A chemist wants to mix a 65% alcohol solution with 10 liters of a 45% alcohol solution to (answered by josgarithmetic)

How many liters each of a 25% acid solution and a 65% acid solution must be used to... (answered by josgarithmetic,ikleyn,greenestamps)

A 50% dye solution is to be mixed with a 75% dye solution to get 100L of a 65% solution.... (answered by jorel555)

how many liters of a 40% alcohol solution must be mixed with a 65% solution to obtain 20... (answered by scott8148)

How many liters of a 40% alcohol solution must be mixed with a 65% solution to obtain 20... (answered by checkley77)