SOLUTION: How many ounces of pure apple juice must be added to 16 ounces of 25% apple juice to make a 40 % apple juice drink?

Question 838875: How many ounces of pure apple juice must be added to 16 ounces of 25% apple juice to make a 40 % apple juice drink?
Found 2 solutions by josgarithmetic, josmiceli:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
16 ounces is a quantity of WEIGHT, roughly equivalent to a quantity of MASS but not really the same.

v = how many ounces of pure apple juice to use

Solve for v.

http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = ounces of pure apple juice to be added
ounces of pure apple juice in 25% mixture
---------------------

4 ounces of pure apple juice must be added
check:

OK

RELATED QUESTIONS
Silvia wants to mix 40% apple juice drink with pure apple juice to make 2 L of a juice... (answered by ikleyn)
Silvia wants to mix 40% apple juice drink with pure apple juice to make 4L of a juice... (answered by ikleyn,greenestamps)
a juice company sells apple juice for 13 cents an ounce and apple drink for 4 cents an... (answered by josgarithmetic)
Silvia wants to mix a 30% apple juice drink with pure apple juice to make 2 L of a juice... (answered by ikleyn)
The Delicious Juice Company sells 8-ounce cans of apple juice for 49 cents and 8-ounce... (answered by josmiceli)
The Delicious Juice Company sells 8-ounce cans of apple juice for 49 cents and 8-ounce... (answered by tvandenberg)
A grocer mixed Apple juice that costs $12.50 per gallon with 25 gallons of cranberry... (answered by stanbon,josmiceli,ikleyn,richwmiller)
ten fluid ounces of a fruit drink is 90% juice. how many fluid ounces of water must be... (answered by drk)
How many ounces of pure cranberry juice and how many ounces of a citrus fruit drink... (answered by josgarithmetic)