SOLUTION: Larissa took a trip from Brownsville to Montreal, a distance of 830 km. She traveled part of the way by bus and the rest of the way by plane. The bus averaged 40 km/h and the plane

Question 1041528: Larissa took a trip from Brownsville to Montreal, a distance of 830 km. She traveled part of the way by bus and the rest of the way by plane. The bus averaged 40 km/h and the plane 500km/h. The whole trip took 3.5 h. How many hours did she spend travelling by bus
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
Let n be the amount of time traveled by plane. Then:
500n+40(3.5-n)=830
500n-40n+140=830
460n=690
n=1.5
Larissa traveled by plane for 1.5 hours, and by bus for 2 hours. ☺☺☺☺
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