SOLUTION
(a) What percentage of adults exercise
[tex]\begin{gathered} total\text{ persons = 39 + 21 + 24 + 66 = 150} \\ Exercise=39+24=63 \end{gathered}[/tex]
percent adult that exercise becomes
[tex]\frac{63}{150}\times100=42\%[/tex]
Hence the answer is 42%
(b) Vegetarians is 39 + 21 = 60
percentage of the adults are vegetarian is
[tex]\frac{60}{150}\times100=40\%[/tex]
Hence the answer is 40%
(c) Adults who are vegetarian that exercise is 39
The percentage of adults who are vegetarian that exercise becomes
[tex]\frac{39}{150}\times100=26\%[/tex]
Hence the answer is 26%
(d)
