My average calculated is 45 km / h But I cannot explain why the different

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primary 6 | Maths | Speed
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primary 6 Maths Speed Singapore

My average calculated is 45 km / h
But I cannot explain why the different

Date Posted: 2 years ago

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Hi,

Aimya's error is she should have used the total distance travelled divide by the total time.

Therefore the solution is
(100+120)/(2+3)
=220/5
=44km/hr

Average speed is 44km/hr

Hope this helps :)

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Date Posted: 2 years ago

Comments 2 add a comment

Lind

2 years ago

Thank you

Lind

2 years ago

Thanks

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