exam
Maths Puzzle
Numerical Ability
Mix a solution that is 50%alcohol with a solution that is 10% alcohol to make 300 L of a solution that is 30% alcohol. How much of each should you use?
Read Solution (Total 0)
exam Other Question
16.
Solve the following system of linear inequalities by graphing.
3x + 4y £ 12
x + 3y £ 6
x ³ 0
find all positive values for k
x^2+kx+8