Two cyclists start 60 km apart and ride toward each other. One rides at 15 km/h and the other at 20 km/h. When will they meet?
Answer
1.71 hours
How to solve it
1
Combined speed: 15 + 20 = 35 km/h
2
Distance: 60 km
3
Time: 60 ÷ 35 ≈ 1.71 hours
Hints
Add their speeds together
They close the distance at this combined rate
Divide distance by combined speed