| math help?? multiple choice!!?
1. A plane flying with the wind traveled 1260 km in 2 hours. The return trip against the same wind took 3 hours. Find the rate of the plane in still air.
a. 495 km/h
b. 510 km/h
c. 515 km/h
d. 525 km/h
In the preceding problem, what was the rate of the wind? (Remember, a plane flying with the wind traveled 1260 km in 2 hours. Then, on the return trip against the wind, it took 3 hours to cover that distance.)
a. 105 km/h
b. 115 km/h
c. 120 km/h
d. 135 km/h |