Asked by AJ
two trains leave a train station at the same time. One travels east at 10 miles per hour, the other travels west at 9 miles per hour. In how many hours will the two trains be 45.6 miles apart?
Answers
Answered by
jai
let x = time it takes for them to be 45.6 miles apart (in hours)
recall: (speed)*(time)=distance
>>since they travel in opposite directions, the distances between the station to their present location will be added.
10x + 9x = 45.6
19x = 45.6
x = 2.4 hours
so there,, =)
recall: (speed)*(time)=distance
>>since they travel in opposite directions, the distances between the station to their present location will be added.
10x + 9x = 45.6
19x = 45.6
x = 2.4 hours
so there,, =)
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