Answer: 42.7 minutes
Explanation:
There are 72 minutes in 1.2 hours (60 * 1.2 = 72)
If you can walk 4.7 miles in 72 minutes, how many minutes does it take to walk 2.79 miles?
First you need find out what 2.79 / 4.7 equals
2.79 / 4.7 = 0.593617
Now to find out how many minutes it takes to walk 2.79 miles, you multiply 0.593617 by 72
72 * 0.593617 = 42.740424
42.740424 rounds down to 42.7