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Question number 10 what do u have to do

Question number 10 what do u have to do-example-1

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Find the distance between the 2 trains when they r same distance from station
User Olia
by
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Train A: d = 40t + 400
Train B: d = 80t + 200

If you do a subtraction, you get it in terms of t only: 0 = -40t +200
Which allows you to sold for t:
40t = 200
t = 5 hours

And from there you solve for d = 80(5) + 200 = 600 miles
User Usersam
by
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