SOLUTION: What amount of H2O must be added to 1L of 7% vinegar to reduce it to 5%?

SOLUTION: What amount of H2O must be added to 1L of 7% vinegar to reduce it to 5%?

Algebra.Com

Question 829478: What amount of H2O must be added to 1L of 7% vinegar to reduce it to 5%?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
.07*1=.05*(1+x)
.07*1=.05*1+.05x
.02*1=.05x
.02/.05-x
.4=x

RELATED QUESTIONS
how many millilitres of vinegar must be added to 20 millilitres of a 10%-vinegar... (answered by checkley79)

Can you show me how to work the steps to solve the below problem? How many milliliters (answered by josgarithmetic,ikleyn)

how much pure (100%) vinegar and 5% vinegar must be mixed to obtain 50oz of a 24%... (answered by oberobic)

How much vinegar must be added to a 20 liters solution which 50% pure to make a strength... (answered by harpazo)

A food chemist has 200 gallons of vinegar that is 4% acetic acid. How much acetic acid... (answered by richwmiller)

A gallon of Del Monte White Vinegar is labeled 5%acidity. How many fluid ounces of pure... (answered by Alan3354,stanbon)

How much water must be added to 20 liters of 50% antifreeze solution to reduce it to 40%... (answered by Fombitz,nyc_function)

how much water must be added to 300 gallons of 85% alcohol in order to reduce it to 70%... (answered by josmiceli,Alan3354)

How much water must be added to 20liters of a 50% antifreeze to reduce it to 40%... (answered by Alan3354)