Kevin uses 84 fluid ounces of water to make an all-purpose cleaner. the directions call for 4 fluid ounces of concentrated soap for every 3 cups of water. how many fluid ounces of soap should he use? ( 1 cup = 8 fl oz

using unit rates to convert measurement

He should use 14 fluid ounces of soap.

Step-by-step explanation:

1. The first step is to make the conversion from cups to ounces. Knowing that:

You get:

2. According to the information given in the exercise, Kevin must use 4 fluid ounces of concentrated soap for every 3 cups of water or 24 fluid ounces of water.

Then, knowing that he uses 84 fluid ounces of water to make an all-purpose cleaner, you can set up the following proportion:

Where "x" is the total fluid ounces of soap that he should use.

3. Solving for "x", you get this result:

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

x=0

step-by-step explanation: