Question 61060
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