Last Problem:
There are 20 pieces of bread to divide among 20 people. Each man eats 3 pieces. Each woman eats 2 pieces. Each child eats a half piece of bread. Determine the correct combination of men, women and children so that there are 20 people in total and everyone gets to eat the bread.
Note that a man cannot eat less than 3 or more than 3. A woman cannot eat less than two pieces nor more than two pieces. A child cannot eat less than half or more than half a piece of the bread.
Answer:
There are 5 women, 1 man and 14 children.
Today’s Problem:
How many squares are there on a chessboard?