A book has 20 chapters. The first chapter is 31 pages long the second chapter is 30 pages long and the third chapter is 8 pages long. How many more pages does the first chapter have than the second chapter?
The first chapter has 31 pages. 
The second chapter has 30 pages. 
The third chapter has 8 pages. 

The first chapter has 1 more page than the second chapter.