Work out the total volume

* area of the trapezium multiplied by width

Work out the volume water goes down in 20 mins

* this is at the top of the shape, so its just a cuboid with the given depth

Divide the two volumes and multipy by 20 mins to get the total time.

Which bits are you having trouble with?

* area of the trapezium multiplied by width

Work out the volume water goes down in 20 mins

* this is at the top of the shape, so its just a cuboid with the given depth

Divide the two volumes and multipy by 20 mins to get the total time.

Which bits are you having trouble with?

Instead of doing 120-30 you had to add them together 120+30 = 150

150 is your answer

150 is your answer

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Last reply 6 days ago

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Last reply 6 days ago

Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths

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