Anna-maria has added 4 quarts of an alcohol in water solution to 1 quart of water and her ending product is a 36% alcohol in water solution. what was the concentration of the 4 quarts of alcohol solution that was added?

72 fudge and 75 toffee

step-by-step explanation:

i hope this : )

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.