Question

A mixture contains alcohol and water in the ratio 4:3. If 7 litres of water is added to the mixture, the ratio of alcohol and water becomes 3:4. The quantity of alcohol in the mixture is : ​

Answer 1

Answer:

alcohol is 12

Step-by-step explanation:

alcohol : water

4:3

+ adding 7 Litres of Water

then the final ratio

3:4

1st asume

4:3 (3+7) = 4:10=2:5wrong

*2. 8:6 (6+7) = 8:13 wrong

* 3. 12:9 (9+7) = 12:16 = 3:4 right

so

alcohol and Water

is. 12 :9 . which is 4 :3

after adding 7 litters of water

12 : (9+7)

12:16

3:4