Answer:
26,7 % are going to market, 66,7 % are going to watch TV and 6,7 % are studying.
Step-by-step explanation:
- 8 out of 30 are [tex]\frac {8}{30}[/tex] ≈ 26,7 %
- 20 out of 30 are [tex]\frac{20}{30}[/tex] ≈ 66,7 %
- The rest, who study are 30 - (20 + 8) = 2
- 2 out of 30 are [tex]\frac{2}{30}[/tex] ≈ 6,7 %