SOLUTION: the bottle says to add 4 oz of concentrate to 1 gallon of water but i only need to make mixture with 1 cup of water, how much concentrate should i mix with 1 cup of water?

Question 1202993: the bottle says to add 4 oz of concentrate to 1 gallon of water but i only need to make mixture with 1 cup of water, how much concentrate should i mix with 1 cup of water?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Start with a proportion and you will have just one unknown quantity to solve.

The given ratio is .

The asked for 1 CUP of water can be handled like so, if you want:
1 gallon is 128 fluid ounces.
8 fluid ounces is 1 cup.
-
-------

0.0625 gallons of water.

Then you could set up a proportion as
and solve for w.

---------------------------------A BETTER WAY--------------------------------------
Recognize or easily find that 1 gallon is 16 cups.
The question description can then be:
the bottle says to add 4 oz of concentrate to 16 cups of water but i only need to make mixture with 1 cup of water, how much concentrate should i mix with 1 cup of water?

Now you can set up a proportion as .
This means, that Q is cups.
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