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A car travels for 15 minutes at 48 mph It then travels for 2 hours at 60 mph It then travels for 45 minutes at 40 mph What is the car's average speed for the whole journey?…

A car travels for 15 minutes at 48 mph It then travels for 2 hours at 60 mph It then travels for 45 minutes at 40 mph What is the car's average speed for the whole journey?…
asked 169k views
5 votes
A car travels for 15 minutes at 48 mph

It then travels for 2 hours at 60 mph

It then travels for 45 minutes at 40 mph

What is the car's average speed for the whole journey?

asked
User RBee
by
7.6k points

1 Answer

5 votes

Answer:

54

Explanation:

48 + 3*40 + 8*60 = 48 + 120 + 480 = 648

answered
User David Lam
by
8.4k points
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