Question 13
Joanna has some cards. Each side of a card shows either an elephant 
or footprints 
. Each side also has a tick ✓ or a cross ✗. The picture below is an example of one side of one of Joanna’s cards.
What is the greatest number of different cards Joanna can have?
or footprints . Each side also has a tick ✓ or a cross ✗. The picture below is an example of one side of one of Joanna’s cards.What is the greatest number of different cards Joanna can have?