13-07-2020
Mathematics

contestada

PLEASE HELP ASAP One day it took nick 20 mins to drive to work. His average speed was 27mph. When he had drove home using the same route, it had took Nick 45 minutes. work out the average speed of his journey in mph please.

Respuesta :

gilbertazavedo72 gilbertazavedo72

13-07-2020

Answer: 12 mph

Step-by-step explanation:

20 minutes = 1/3 hour

Distance = speed x time

D = 27 x 1/3 = 09 miles

He had taken 45 minutes when he drove home

45 minutes = 3/4 hour

Speed = distance / time

Speed = 9 / 3/4

Speed = 12 mph

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