170 x 4 = 680 miles
900/2.5 = 360 miles per hour
840 miles
A plane will travel 840 miles if it flies at 210mph for 4 hours.
The plane would have gone 200 mile in one hour.
The average rate is exactly 220 miles per 4 hours. The unit rate is 55 miles per hour.
1,680/3 = 560 miles per hour
900/2.5 = 360 miles per hour
840 miles
A plane climbs into the jet stream which is flowing at a rate of 80 miles per hour Traveling with the jet stream for 5 hours the plane covers 1150 miles The plane then reduces its altitude and flies 150.
210 * 4 = 840 miles ■
5*190 = 950 miles
A plane will travel 840 miles if it flies at 210mph for 4 hours.
The plane would have gone 200 mile in one hour.
Distance = Rate * Time or, for our purposes Time = Distance/Rate Time = 870 miles/145 miles per hour = 6 hours --------------
4 x 170 miles = 680 miles
170mph x 4 hours 170 x 4 = 680 680 miles.
159.3333 mph (the digit 3 repeats indefinitely)