Question

Two litres of a mixture of alcohol and water contain 10% water. This is added to 4 litres of another mixture containing 8% water and half a litre of water is then added to the whole, then the percentage of water in the resulting mixture is​

Answer 1

Answer:

15.69%

Step-by-step explanation:

mix1

vol of mix 1 =2

vol of water=10%×2=0.2 l

vol of alcohol=1.8

mix 2

v of mix2= 4

water 8%×4=.32

water additionally added 0.5

total water 0.2+0.32+0.5=1.02

total vol of mix 2+4+.5=6.5

% of water in resulting mixture=(1.02*100)/6.5