live4dramaoy0yf9
03.09.2019 •
Mathematics
Two trains are traveling in opposite directions between los angeles and sacramento. the sacramento bound train is moving at a speed of 60mph and the los angeles bound train is moving at a speed of 80mph. sacramento bound train leaves at 7am and the los angeles bound train leaves at 9am. when would these two trains meet if the distance between cities is 400 miles?
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Ответ:
Both trains meet at 10 am.
Step-by-step explanation:
Step 1: Find the time Los Angeles bound train takes to travel 400 miles
Speed = 80 mph
Distance = 400
Time = T1
Train leaves at 9 am
Time = Distance/Speed
Time = 400/80
Time = 5 hours
Step 2: Find the time Sacramento bound train takes to travel 400 miles
Speed = 60 mph
Distance = 400 miles
Time = T2
Train leaves at 7 am
Time = Distance/Speed
Time = 400/60
Time = 6.67 hours
Step 3: Calculate the time when both trains will meet
Los Angeles bound train
Leaves at 9 am
1 hour at 10 am
2 hours at 11 am
3 hours at 12 pm
4 hours at 1 pm
5 hours at 2 pm (reaches destination)
Sacramento bound train
Leaves at 7 am
1 hour at 8 am
2 hours at 9 am
3 hours at 10 am
4 hours at 11 am
5 hours at 12 pm
6 hours at 1 pm
7 hours at 2 pm
Both trains will meet at 10 am where the Los Angeles bound train reaches in 1 hour and the Sacramento bound train reaches in 3 hours.
!!
Ответ:
Hope this helps :)