A boy walked over hills at 3 kilometers per hour and on flat roads at 4 kilometers per hour. He walked 18 kilometers in 5 hours. How much of his trip was over hills?

Question

anonymous · Answer

couldn't this be multiple answers? I'm waiting for someone else to do this cause I don't understand either haha

anonymous · Answer

Thanks ha ha

anonymous · Answer

I think it could be multiple answers I agree with @theload I have no idea

anonymous · Answer

Then I guess I'm on my own. That is just great.!!!:(

anonymous · Answer

@skullpatrol can you help out with this one?

anonymous · Answer

Skull patrol please help!!!

anonymous · Answer

I am leaving 4 school but would still appreciate anyones help!!!