Level
It takes Machine L and Machine B 50 minutes to print a total of 3150 copies of brochures. Machine L can print 30 copies of brochures in one minute. How many copies of brochures can Machine M print per minute?
Level 2
An empty tank has dimension 80 cm by 60 cm by 40 cm. A tap was turned on to fill into the tank at the rate of 5 litres per minute. How long did it take for 12 of the tank to be filled with water? Give your answer in minutes.
Level 2
Water is pumped into a rectangular tank at a rate of 16.5 ℓ per minute. The tank measures 110 cm by 90 cm by 50 cm. How long does it take to fill the tank? Express your answer in min.
Level 2
A tap took 12 minutes to fill up a pail with a capacity of 4 ℓ. At the same rate, how long would it take for the tap to fill up 25% of a container with a capacity of 30 ℓ? Express your answer in min.
