spritzgamerz spritzgamerz

17-11-2019
Mathematics

contestada

On marys walk, she covered the 3 mile distance in one hour. However, the return trip took an hour and a half. What was her average speed?

Respuesta :

dommaddox493 dommaddox493

17-11-2019

Answer:

2.4 mph

Step-by-step explanation:

Answer Link

Ifychyibe Ifychyibe

17-11-2019

Answer:

Step-by-step explanation:

Speed = distance/time

Speed= 3/1= 3miles/hour

Return trip

Speed=3miles/1.5hour=2miles/hour

Average speed= initial + final trip= 2miles/hour+3miles/hour, then divide by 2

= 5/2=2.5miles/hour

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