So how about a little percentages quiz ... Can you use logic to find the size of these angles? Test your understanding of how the internal angles in a triangle work with this maths challenge ...

Calculations often give a decimal answer. Converting a decimal to a percentage makes the data easier to understand. Refresh your knowledge with these guides on equivalent fractions and simplifying ...

Related: Barriers to Boosting CD4 Counts The CD4 percentage represents the percentage of total lymphocytes that are CD4 cells and is measured using the same blood test as that for the absolute CD4 ...