Question

please help, i will give 20 points

Answer 1

4. Overall, there are 45 students.

13 students achieved a mark over 65

$\frac{13}{45} *100$ = 29%

Therefore the answer is b. 29%

5. b is incorrect.

This is because retrievers account for 10% of the dogs, not 15%.

100%-(35% + 45% + 10%) = 10%