SOLUTION: Ariana took 2 h longer to drive 360 mi on the first day of a trip than she took to drive 270 mi on the seond day. If her speed was the same on both days, what was the driving time
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Question 103460: Ariana took 2 h longer to drive 360 mi on the first day of a trip than she took to drive 270 mi on the seond day. If her speed was the same on both days, what was the driving time each day?
Please help...thank you! Answer by checkley75(3666) (Show Source):
You can put this solution on YOUR website! 360/(x+2)=270/x cross multiply
360x=270x+540
360x-270x=540
90x=540
x=540/90
x=6 hours for the 270 mile trip.
6+2=8 hours for the 360 mile trip.
proof
360/8=270/6
4.5=4.5
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