Question 985515
Jess jogs at a rate of 6 miles per hour.
 The next time she jogs she increases her speed to a rate of 7 miles per hour.
How long will it take her to jog 6 miles?
:
Another words,"How long would it take to jog 6 mi at 7 mph?"
Remember time = dist/speed
t = {{{6/7}}}
t = .857 hrs which is .857(60) = 51.4 min