On Monday Chuck drove from Norfolk to Valentine averaging 47

On Monday, Chuck drove from Norfolk to Valentine, averaging 47 mph. On Tuesday, he continued on to Chadron, averaging 69 mph. his driving time on Monday was 2 hours longer than his driving time on Tuesday. If the total distance from Norfolk to Chadron is 326 miles, then how many hours did he drive on Monday? How far is it from Valentine to Chadron?

Solution

47*(2+y)+69y=326
y=2
47*4+69*2=326
He drove 4 hours (2+2) on Monday.
Tuesday trip was 2*69= 138 miles from Valentine to Chadron.