exam
Maths Puzzle
Numerical Ability
Mix a solution that is 30% alcohol with a solution that is 80% alcohol to make 800mL of a soultion that is 60% alcoho. How much of each solution should you use?
Read Solution (Total 0)
exam Other Question
rewrite the equation as a function of x
-3x+4y=11
1. If the lenght of a rectangle is doubled, does the area double? Why or why not?
2. If the height and the base of a triangle are doubled, what happens to the area? Explain.