CPM Homework Help : PC3 Problem 5-102

Anthony leaves Kingstown at 2:00 p.m. and drives to Queensville, a $160$ -mile distance, at $45$ mi/h. At 2:15 p.m. Helen leaves Queensville and drives to Kingstown at $40$ mi/h. At what time do they pass each other on the road?

Hint:

Start by sketching the situation.

More Help 1:

If Anthony's time is $t$ then Helen's time is $t−0.25$ . Why?

More Help 2:

You want to know when they are at the same "position".
Write an equation for each person's position based on their rate and time.
If Anthony's original position is $0$ and he is moving forward, then Helen's initial position is ___ and she is moving ______.