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(HELP!! 10pts) a train travels 75km in 1hr, and then 68km in 2hrs. what is its average speed?
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(HELP!! 10pts) a train travels 75km in 1hr, and then 68km in 2hrs. what is its average speed?

User Rolznz
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1 Answer

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Average speed = total distance travelled ÷ total time taken

AS = (75km + 68km) ÷ (1hr + 2hr)

As = 143km ÷ 3hr

AS = 47.66667 km/hr

AS = 47.7 km/hr (3sf)
User Contessa
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