Question 912723
Madge speed = 35 mph

In half hour she travels 17.5 miles
In 3/4 hours she is 26.25 miles away

difference in their speeds = 59-35 = 24 mph

I presume the time is 3/4 hour when he starts to catch up

she would be 26.25 miles away

catch up time = 26.25/24
=1.09 

0.09*60= 5.4 minutes

He catches up at 9.06 am.