At a game of billiards, A can give B 15 points in 60 and A can give C to 20 poin
Practice Races and Games – At a game of billiards, A can give B 15 points in 60 and A can give C to 20 points in 60. How many points can B give C in a game of 90?
Races and Games
Practice Races and Games – A runs 
times as fast as B. If A gives B a start of 80 m, how far must the winning post be so that A and B might reach it at the same time?