Step-by-step explanation:
450cm of water is needed for it to be
Answer:
If you add 690 ml of water you will obtain 1.690 liter of 70% alcohol. Of course if you halve the amounts, e.g. 0.5 liter 75% alcohol and 345 ml of water, you will also obtain 45% alcohol solution.
c
.......,..............
7
22-15=x
x=7
Answer: y=-
