Johnny drove for 3 hours at a rate of 50miles per hour and for 2 hours at 60 miles per hour. What is average speed for the whole journey?
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Johnny drove for 3 hours at a rate of 50miles per hour and for 2 hours at 60 miles per hour. What is average speed for the whole journey?
( with solution)
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Answer:
i think po 55 miles per hour.
Step-by-step explanation:
I'm only 40% sure of it. Sorry.