Answer:
There are 5 swimmers to be taken 3 at a time.
Six friends want to play enough games of chess to be sure every one plays everyone else.
she is hungry, that's why I'll give my food to her.
In a lottery, each ticket has 5 one-digit numbers 0-9 on it.
The soccer team has 20 players. There are always 11 players on the field.
