or
The parents running this year's craft sale counted the number of key chains made by volunteers.
Making key chains
1
2
3
4
Key chains made
How many people are there in all?
[____]people
The number of people is not mentioned in the given information, so it is not possible to determine the total number of people.
or
The parents running this year's craft sale counted the number of key chains made by volunteers.
Making key chains
1
2
3
4
Key chains made
How many people are there in all?
Blank people