Practice Test Discussion

Q)

Ravi drove for 3 hours at a rate of 50 miles per hour and for 2 hours 60 miles per hour. What was his average speed for the whole journey?

    • Explanation

    According to the question

    We know the formula

    Distance= Rate×time

    Total distance =50×3+60×2

    = 270

    Total time =3+2=5

    ∴ Average speed =Total distanceTotal time

    =2705=54 mph

    Hence, Option B is correct.

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