Alert goes to his friend's house which is 12 km away from
his house. He cover half of the distance at a speed of a
km/hx and the remaining at (oc+2) km/hu. If he tikes
his 30 min. to cover the whole distance, find se
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He cover half of the distance at a speed of a km/hx and the remaining at (oc+2) km/hu . If he tikes his 30 min. to cover the whole distance, ...
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