jack and jill are running in the 26mile twin cities marathon
jack and jill are running in the 26-mile twin cities marathon. jack runs 6 miles
 per hour and jill runs 4 miles per hour. when jack finishes the race , how many more minutes does jill have to run ?
 a 2 1/6 b 34 2/3 c 52 d 120 e 130
Solution
Jack and jill are running in the 26-mile twin cities marathon.
 Jack runs 6 miles per hour and jill runs 4 miles per hour.
 Time taken by Jack to finish the race = 26/6 = 4h 20m
 Time taken by Jill to finish the race = 26/4 = 6h 30m
 Additional time taken by Jack to finish the race = 6h 30m-4h 20m = 2h 10m

