Question

$78423 { + \div \leqslant hjj}^{2}$
​

Answer 1

Answer:

jkioolnnbbb

I can't wait

Explanation:

i

..understand what it is

Answer 2

Answer:

12 litres of a solution contains 331 % of acid.

3.

How many litres of water is to be added to

reduce the acid percentage to 20%