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 avera
ge speed?
2 answers:
Answer:
2.4 mph
Step-by-step explanation:
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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x = 46 : 23
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