A venn diagram shows information about 100 students in total, it shows students who take Life Sciences, Mathematics and Accounting. 12 take all the subjects, 21 takes both Accounting and Life Sciences,8 takes Life Sciences only. 16 takes Accounting and Mathematics, 20 takes Mathematics only, 10 takes Accounting only and 11 takes Life Sciences and Mathematics.
How many students are there who take Accounting and Mathematics but not Life Sciences