Question

Davie and Horatio are riding their motorbikes on a scenic tour that is 80 miles long. Davie rides at 20 miles per hour and leaves 90 minutes before Horatio. How fast must Horatio ride to finish at the same time as Davie?
24 mph
24.5 mph
32 mph
33.3 mph

Answer 1

Answer:

Davie will take 80/20 = 4hrs

Whereas

Horatio has taken only 2and 1/2 hrs to complete Sam e80 miles

Therefore

80/2.5

= 32 mph

So the required answer is 32mph

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Answer 2

32 mph

Explanation:

Davie will take = 80/20 = 4hrs

Horatio has taken only 2 and 1/2 hours to complete

So,

80/2.5

= 32 mph