Alison's cinema has 100 seats.
One day, Alison notices that her cinema is full, and she has taken exactly £100.
The prices were:
She knows that not everyone in the audience was a pensioner.
How many adults, pensioners and children were present?
Can there be 100 people and takings of exactly £100 if the prices are:
What if the prices are:
Here are some questions you might like to consider:
This problem is based on Cinema Problem from SIGMA 1 by David Kent and Keith Hedger