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9. John drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles per hour. What was his average speed for the whole journey?* A. 22 mph O B. 110 mph C. 51 mph D. 54 mph
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9. John drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles

per hour. What was his average speed for the whole journey?*
A. 22 mph
O
B. 110 mph
C. 51 mph
D. 54 mph

User Darkchampionz
by
4.1k points

1 Answer

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The average speed of his journey is 54 miles per hour which is D
User Toshihiko Makita
by
4.0k points
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