SOLUTION: Science and Medicine. Ariana took 2 h longer to drive 360 mi on the first day of a trip than shee took to drive 270 mi on the second day. If her speed was the same on both days,

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Science and Medicine. Ariana took 2 h longer to drive 360 mi on the first day of a trip than shee took to drive 270 mi on the second day. If her speed was the same on both days,       Log On


   

Question 29432: Science and Medicine. Ariana took 2 h longer to drive 360 mi on the first day of a trip than shee took to drive 270 mi on the second day. If her speed was the same on both days, what was the driving time each day?
Please help.
Thank you very much.
Answer by Paul(988) About Me  (Show Source):
You can put this solution on YOUR website!
EquatiON:
360%2F%28x%2B2%29=270%2Fx
Cross mulitply

360(x)=270(x+2)
360x=270x+540
90x=540
x=6

360%2F%288%29=270%2F6
45=45

Hence, her driving speed for both days were 45mph.
Paul.