for number 16-20.

read and understand the problem carefully. solve and answer the following questions.

'out of 40 students surveyed, 15 said that they like mathematics, and 20 said that they likr english and 5 said that they like both.'

___16. how many like English only?

a. 10. c. 20
b. 15. d. 25

___17. how many like mathematics only?

a. 20 c. 10
b. 15 d. 5

___18. how many like both subjects?

a. 5. c. 7
b. 6. d. 8


for number 19-20

there are 180 freshmen taking courses. 80 students are taking biology and 95 students are taking physics?

___19. how many are taking both subjects?

a. 8. c. 6
b. 7. d. 5

___20. how many are not taking any of the subjects?

a. 25. c. 45
b. 35. d. none of the above ​