algebra help please

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A bus leaves a station at 1p.m. traveling west at an average rate of 44 mi/h.one hour later a second bus leaves the same station traveling east at a rate of 48mi/h. At what time will the two buses be 274 miles apart

I know that I am suppose to use
d=r*t

1st bus
d=44*t
2nd bus
d=48*t-1

distance is 274
so the equation for the first bus should be
274=44*t
second bus
274=48*t-1

first bus
274-44=t
230=t

second bus
274=48*t-1
274=48t-1
I believe i have missed something or messed up please explain to me what i am doing wrong please

Were is the 1 coming from?

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