Question 1054010
The distance is 1100 miles, and the time is 220 hours.
The closing speed is 1100/220=5 miles per hour.
One group is hiking 2.5 mph slower than the other.
x=faster group
x-2.5=slower group
x+x-2.5=5
2x=7.5
x=3.75 mph
x-2.5=1.25 mph
That is a closing speed of 5 mph.