exam Maths Puzzle Numerical Ability

320ml of 30% alcohol soln, convert this to 50% alcohol soln by adding 70% alcohol soln.

Read Solution (Total 0)

exam Other Question

2. Solve the system by the substitution method. Determine whether the equations are independent, dependent, or inconsistent. Show your work.

3y - x = 5
-x + 2y = -4 A ball is thrown upward from the roof of a building 100 m tall with an initial velocity of 20 m/s. When will the ball reach a height of 80 m?