Question

Oliver travels 180 kilometres in 2 1/4 hours. Work out his average speed. Give your answer in kilometres per hour.

Answer 1

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Step-by-step explanation:

ANSWER ::

2 1/4 hour = 9/4 hour

Now

Oliver travels 180 kilometres in 9/4 hours.

So average speed = 180 ÷ 9/4 =180×4/9 = 80 km/h