Question

At 10:15 pm, a bust left a bus stop traveling east at 40 mi/h. 2 hours later, another bus left the same stop traveling west at 35 mi/hi. at what time will the buses be 230 miles apart?

Answer 1

80 + 40*t + 35*t = 230
75t = 230 - 80
t = 150/75
t = 2 hours.

Answer 2

So, it is four hours after 10:15pm. So, it is at 2:15am.