An airplane completes a 400 km journey with two different speeds. The first 150 km are done at a speed of 120 km/hr; the remaining 250 km are done at 180 km/hr. Find the time and the plane’s average speed for the whole trip.

woodrow wilsons and the treaty signed between france britain and italy

(e) a major consequence of the election was that several southern states

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.