Question

Train a and b are traveling in the same direction on parallel tracks train a is traveling in the direction on parallel tracks . train a is traveling at 80 miles per hour b is traveling at 84 miles per hour . Train a passes a station at 9:25 a.m if train b passes the same station at 9:55 am what time will train b catch up with train a ?

Answer 1

10 hours after 9:55 am

Answer 2

whoever answers this will get a medal

Answer 3

yay!

Answer 4

train A passes at 9:25
train B passes at 9:55
that means train A started 1/2 hour earlier. in 1/2 hour, train A travels 40 miles. train B is traveling 4 miles an hour faster than train A
so it takes 10 hours to catch up the 40 miles.

Answer 5

so its 9:55 saif ?

Answer 6

what i wrote there?

Answer 7

9:55

Answer 8

one time u had 12 :55

Answer 9

so the answer is 9:55

Answer 10

Yeas!

Answer 11

C this:
http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4e23b4d70b8b3d38d3b6e6f0