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savannahdancer1
You just take the 32 and multiply it by 8, so the answer would be 256 km. Since the bus can go 32 km in half an hour, in four hours it would go 8 times that distance.
it would travel 256 kilometers in 4 hours.

because 32 x 2 = 64 
 and 64 x 4 = 256