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marusya05 [52]
3 years ago
5

Starting at home, Omar traveled uphill to the gift store for 30 minutes at just 10 mph. He then traveled back home along the sam

e path downhill at a speed of 30 mph.
Mathematics
1 answer:
hichkok12 [17]3 years ago
4 0
I guess you want to find the average speed for the whole journey

average speed = distance travelled / time

the distance from home to the shop =   speed * time = 0.5*10 = 5 miles

time for travelling back =  distance / speed = 5/30 = 1/6 hours

average speed for whole journey = 10 / (1/2 + 1/6) = 10 *  3 / 2 = 15 mph

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