Activity 4: Helping Casey with banknotes
Casey owns a shop and has many jobs to do.
Think about what jobs Casey might have to do
Casey might:
- take money from the customers
 - give change to the customers
 - pay the staff
 - do other tasks.
 
Casey needs your help to complete these tasks:
- order the banknotes (NOTEBOOK 2MB) from lowest to highest value
 - find amounts equal to 20 dollars and amounts equal to 50 dollars
 - check the payments (NOTEBOOK 2.1MB)
 - share the banknotes (NOTEBOOK 1.2MB) activity between the workers.