So I have a question. Its a really good question. I'm not sure you'll get it though. Okay so my question is if a train leaves a station at 12 o'clock and moves at a constant speed of 90 mph and another train leaves a different station 2000 miles away in the opposite direction at 2 o'clock traveling at 80 mph. When will both trains cross each other?

Step-by-step explanation:

Train 1 will travel for 2 hours before the second train leaves.

The distance at 2 o'clock is reduced by 2*90 = 180 miles and now is:

Let the trains spend x hours before crossing, then we have following equation for the distance:

The trains will cross at:

The time when trains cross each other will be approximately 12:42

3rd box is the answer

step-by-step explanation:

for finding the midpoint of any given 2 pair of points simply add the respective x coordinates with other x coordinate and the y coordinate with other y coordinate and divide them by 2

in your question it will be :

(3+1)/2 for the x coordinate of mid point i.e 2

[8+(-4)]/2 for the y coordinate of midpoint i.e 2

so coordinates of mid point of points (3,8) and (1,-4) will be (2,2)