The telephone company decided to put poles along the railway track every 700 metres, starting with one at the beginning and one at the end. They measure and find that the railway track is 4172 km long, and that they have only 4154 poles. How many additional poles will they need?

In a hotel, there are 163 rooms. If the one night rent of each room is $ 7340, what would be the daily income of the hotel assuming all rooms are occupied ?

Laura and Deborah have bookshelves of the same size and holding books of the same sizes. Laura's shelf is

4

6

full and Deborah's shelf is

4

11

full. If 256 more books of the same size are distributed among them, then they can fill their shelves completely. How many books does Deborah have today?

George gets paid daily for the work he does, and he does not work on Sundays. Last year was not a leap year, and had 52 Sundays, and he got $ 332719 as his annual salary last year. If November of last year had 5 Sundays, then what were his earning for that month?