Answer:
part a : If jose keeps jogging at that rate she would run 42/10, or 21/5 miles per hour
part b : she would run 21/10 miles per hour
Explanation:
Multiply 6 to 7/10 of a mile because that would be 1 hour.
part b: 1 hour is 42/10 so 1/2 that would be 21/10.