SOLUTION: Cheap Charlie is attempting to stretch his 2-liter bottle of antifreeze by diluting it with water (this is a very bad idea.). He read on carstuff.com that the antifreeze companies

Question 191262: Cheap Charlie is attempting to stretch his 2-liter bottle of antifreeze by diluting it with water (this is a very bad idea.). He read on carstuff.com that the antifreeze companies have made the antifreeze too strong, and all that your car really needs is a 25% antifreeze solution. How many liters of water must he add to the 2 liters of pure antifreeze to make this happen?
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
amount of antifreeze remains constant....you are simply adding water. Lets call the amount of water added y
:
2=.25(2+y)
:
2=.5+.25y
:
.25y=1.5
:
y=6 liters of water
RELATED QUESTIONS
Cheap Charlie is attempting to stretch his 2-liter bottle of antifreeze by diluting it... (answered by jorel1380)

A 100 liter barrel of vinegar is 8% acetic acid. Before it can be bottled and used in... (answered by josmiceli)

It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The... (answered by ankor@dixie-net.com)

A quart bottle contains a mixture that is 1/3 antifreeze, 2/3 water. A half gallon bottle (answered by josgarithmetic)

A 40% solution of sulfuric acid is created by diluting a 25ml solution of 88% sulfuric... (answered by nerdybill)

A quart bottle contains a mixture that is 1/3 antifreeze and 2/3 water. A half-gallon... (answered by ankor@dixie-net.com)

What is the final strength produced by diluting 4 oz. of a 2% solution to 10... (answered by robertb)

a radiator contains 25 quartz of water and antifreeze solution, which of 60 percent (by... (answered by mananth)

Chris is diluting 6 gallons of pure apple juice concentrate to a 24% apple juice... (answered by ankor@dixie-net.com)