SOLUTION: How many liters of a 40% antifreeze solution must be added to a 4 liter of a 10% antifreeze solution to produce a 35% antifreeze solution?

Question 834344: How many liters of a 40% antifreeze solution must be added to a 4 liter of a 10% antifreeze solution to produce a 35% antifreeze solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = liters of 40% antifreeze needed
= liters of antifreeze in 40% solution
liters of antifreeze in 10% solution
---------------------

20 liters of 40% antifreeze are needed
check:

OK
RELATED QUESTIONS
How many liters of pure antifreeze (100% solution) must be added to 30 liters of a 15%... (answered by stanbon)

How many kilograms of antifreeze must be added to 10 kg. of 20% antifreeze solution to... (answered by nerdybill)

How many liters of pure antifreeze must be added to a 5 liters of a 10% antifreeze... (answered by richwmiller)

how many liters of 20% antifreeze solution and a 40% antifreeze solution must be mixed... (answered by josgarithmetic,lwsshak3)

how many liters of water must be added to 20 liters of a 70% antifreeze solutionto... (answered by stanbon)

How much pure antifreeze must be added to 12 gallons of 10% antifreeze to make a 40%... (answered by Boreal,MathTherapy,ikleyn)

A radiator contains 8 liters of 40% antifreeze solution. How many liters of pure... (answered by richwmiller)

How many quarts of pure antifreeze must be added to 5 quarts of a 10% antifreeze... (answered by addingup,ikleyn,Edwin McCravy)

How many pints of pure antifreeze must be added to 20 pints of a 15% antifreeze... (answered by lwsshak3)