1. ## word problem

Any help would be greatly appreciated :~)
A train covered 120mi at a certain speed. had the train been able to trvel 10mph faster, the trip would have been 2 hours shorter how fast did the train go? Solve using an equation.

2. Normally, the train travels $rt=120$....[1]

But, given the condtions of 10 mph faster and 2 hours shorter:

$(r+10)(t-2)=120$....[2]

Solve [1] for r or t and sub into [2]. Solve away.