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Alastair drives 18.2 miles in 14 minutes.
He passes a sign which gives the speed limit as 50 mph.
By how much, in mph, did Alastair's average speed exceed the speed limit?

Respuesta :

mhanifa

Answer:

28 mph

Step-by-step explanation:

Distance

  • 18.2 miles

Time

  • 14 min = 14/60 hr

Average speed

  • d/t = 18.2 ÷ 14/60 = 182/10 × 60/14 = 78 mph

The difference with allowed speed

  • 78 - 50 = 28 mph

Answer:

28mph

Step-by-step explanation:

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