Question

A bus makes 28 stops every 2 hours how many stops does it make in 3 hours and in 4 hours

Answer 1

Step one: Do half of 28. So now you know what one hour is okay. 
Step two: You now know three hours is 42 stops
Step Three: total amount in 4 hours 28 times 2 and that is 56 stops
Hopes this helps mate

Answer 2

42 for 3 hours and 56 for 4 hours