Question

A 5 gallon container contains an alcohol-water solution that contains 25% of pure alcohol. how much pure alcohol should be added to create a solution that has a concentration of 40% alcohol?

Answer 1

25

Answer 2

When you are giving an answer to a problem like this don't just give the answer please, explain it and go through the process.

Answer 3

especially a wrong answer.

Answer 4

your solving for the amount of pure alcohol that needs to be added. you are given a 5 gallon container that is full of an alcohol-water solution that is 25% of pure alcohol. the desired amount is 40%.

Answer 5

first, 5 gallons times 0.25 then let x show the amount of alcohol that needs to be added. with this set up an equation

Answer 6

1.25 gallons + x = 0.40(5+x)

Answer 7

solve for x = 1.25

Answer 8

1.25

Answer 9

is da answer

Answer 10

I wonder where you got that from

Answer 11

I did the equation

Answer 12

in my head

Answer 13

hope this could help brooks !