Mr Lee runs 5 km in 40 minutes and then walks 2 km at an average speed of 4 km/h. Calculate
(a) his running speed in km/h,
(b) his average speed for the whole distance.
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Answer:
Step-by-step explanation:
a) v = dist/time = (4 km + 5 km + 2km) / 40min = 11/40
= 0.275 km/h
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