2 Chapter Two

There isn't a Chapter Two yet, so here are some puzzles in the meantime. Mail your solutions and your favourite math puzzles to Pete (pwyspianski@kerc.ca)

Consecutive Multiples of 7

The first two of three consecutive multiples of 7 sum to 2751. What are the three numbers?

(Inspired by a problem in the NCTM December 2009 Calendar)

The Banquet Hall Problem

A banquet hall has a 400-person capacity, including both diners and servers. If 1 server is needed for every 12 diners, what is the maximum number of diners that can be served?

(From the NCTM September 2010 Calendar)