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Q21: Question – Paper 2 – June 2017
Q21: Question – Paper 2 – June 2017
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Question
21) Eva thinks she can save water by having a shower instead of a bath.
Eva’s shower
Eva assumes that the water in her bath is in the shape of this cuboid.
Eva’s shower
- uses 10.8 litres per minute
- lasts for 8 minutes.
Eva assumes that the water in her bath is in the shape of this cuboid.
1000 cm3 = 1 litre
a) Using Eva’s assumption, work out how many litres of water she saves by having a shower instead of a bath.
[5 marks]
b)
A shows the water level before Eva gets into the bath.
B shows the cuboid in the empty bath.
What does this tell you about the amount of water saved?
[1 mark]