Question 68690
Arianna took 2hours longer to drive 360 miles on the first day of a trip than she took to drive 270 miles on the second day. If her spped was the same both days what was the driving time each day? Here is what I came up with. Can you help me figure this out? Thank you in advance. 
270/t = 360/t+2
270(t+2)=360t
270t + 540 = 360t <<<<<<<<<<< subtract 270t both sides
540 = 120 <<<<<<<<< you went wrong this part 
t = ?
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Correction:
It should be:
540 = 90t   << divide both sides by 90 to solve for t
t = 6 mi./hr  <<<<<<<< speed on the second day
t + 2 = 8 mi./hr <<<<<< speed on the first day