Nine seconds elapsed from the time Abigail saw the lightning until she heard the thunder. The lightning was about how many kilometers from Abigail? Sound travels about 1/3 of a kilometer per second.

Question

anonymous · Answer

distance = speed x time

anonymous · Answer

A ratio could be helpful to figure this one out. Sometimes speeds can be pretty tricky to just put together in your head.

anonymous · Answer

distance (km) = speed (km/s) x time (s)

anonymous · Answer

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