Question
A cyclist rides from town A to town B, a distance of 45 km, at an average speed of 18 km/h.
She rests for 20 minutes, then returns from B to A at an average speed of 15 km/h.
[5 marks]
She rests for 20 minutes, then returns from B to A at an average speed of 15 km/h.
(a)Calculate the total time for the whole journey, in hours.
(b)Calculate her average speed for the whole journey (A to B to A, including the rest), correct to 1 decimal place.
This question has 2 parts. You don't have to get them all — each part you answer earns its own marks. Write them as (a) … ; (b) … , or just send the one part you worked out.
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