Answer :
Given:
1st day: 300 miles in 6 hours
2nd day: 250 miles in 5 hours
3rd day: ? miles in 3 hours.
300 miles / 6 hours = 50 miles per hour
250 miles / 5 hours = 50 miles per hour
50 miles per hour * 3 hours = 150 miles Choice C.
1st day: 300 miles in 6 hours
2nd day: 250 miles in 5 hours
3rd day: ? miles in 3 hours.
300 miles / 6 hours = 50 miles per hour
250 miles / 5 hours = 50 miles per hour
50 miles per hour * 3 hours = 150 miles Choice C.