Two skaters race in different directions. The first skater travels at 18 mph and the second travels at 23 mph. How long will it be before they are 123 miles apart?
a. 4 hours
b. 3 hours
c. 1 hour
d. 2 hours

Question

Two skaters race in different directions. The first skater travels at 18 mph and the second travels at 23 mph. How long will it be before they are 123 miles apart?
a. 4 hours
b. 3 hours
c. 1 hour
d. 2 hours

anonymous · Answer

b. 3 hours

cwrw238 · Answer

speed at which they are travelling apart = 18 + 23 = 41 mph
so time to travel 123 miles =  123/41 = 3 hours

anonymous · Answer

Thank you! The way I was doing it, I was totally wrong.

cwrw238 · Answer

yw