SOLUTION: At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later, a second car leaves the city and travels south at a rate of 60 mi/hr. At what time will t

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Question 61060: At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later, a second car leaves the city and travels south at a rate of 60 mi/hr. At what time will the two cars be 285 miles apart?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
285=(55T)+60(T-1)
285=55T+60T-60
285=115T-60
115T=285+60
115T=345
T=345/115
T=3 HOURS THEY WILL BE 285 MILES APART
PROOF
285=55*3+60(3-1)
285=165+60*2
285=165+120
285=285