Question
The figure shows a container made up of 3 sections. Cuboid E with a square base of side 25 cm and height 32 cm. Cube F with a side of 15 cm. Cuboid G that is 60 cm by 17 cm by 47 cm. Water from a tap above flows down at a rate of 3.3 litres per minute while water is drained out from the bottom at a rate of 2 litre per minute. How long did it take to fill up the container to a height of 69 cm from the base? Give the answer in minutes correct to nearest whole number.
3 m

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The figure shows a container made up of 3 sections. Cuboid E with a square base of side 25 cm and height 32 cm. Cube F with a side of 15 cm. Cuboid G that is 60 cm by 17 cm by 47 cm. Water from a tap above flows down at a rate of 3.3 litres per minute while water is drained out from the bottom at a rate of 2 litre per minute. How long did it take to fill up the container to a height of 69 cm from the base? Give the answer in minutes correct to nearest whole number.