Given that:
• 16% passed in Math.
,
• 55% passed in English.
,
• 40% passed in both subjects.
You can use that data to make a Ven Diagram. You can use two circles. One represents Math and the other one represents English:
The percentage of students who failed both subjects can be found as follows:

Where "P" means "probability of".
You can determine that:


Hence, the answer is:
