book Maths Puzzle Numerical Ability

Solution A is 30% alchol and Solution B is 75% alchol. How much of each should be used to in order to make 100 liters of a solution that is 50% alchol?

Read Solution (Total 0)

book Other Question
What is the y-intercept for y+2=-2? factorise x to the power of 2 + 2x + 1 - y to the power of 2

please help in solving question

Thanks