Answer:
120 miles:4 hours
Step-by-step explanation:
Johns made
<h3>two 120 mile trips</h3>
there are a total of 2 120 mile trips
<h3>his second trip in one hour less time than his first trip. The total time for the two trips was 9 hours</h3>
9 hours = 4 hours + 5 hours (5 hours - 4 hours = 1)
<h3> What was his average rate, in miles per hour, for the second trip?</h3>
120 miles:4 hours simplify to 30 miles:1 hour