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\(Speed_{avg} = \frac{Total distance}{Total time taken}\)

Total distance = 4 miles

Total time took = 30 minutes = \(\frac{1}{2}\) hours

\(Speed_{avg} = \frac{4}{\frac{1}{2}}\)

\(Speed_{avg}\) = 8 miles per hour

OPTION: E
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IMO E ,


avg speed = total distance/total time

total distance = 4

total time 1/2 hr

so avg speed = 4/(1/2)
= 4*2 = 8

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Hello from the GMAT Club BumpBot!

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