Asurvey of 2000 doctors showed that an average of 3 out of 5 doctors is brand x aspirin. how many doctors use brand x aspirin

since, average of  doctors using brand x aspirin  is 3 out of 5

if we consider one part then one part will be equal to 3/5

total survey consists of 2000 doctors then to find the brand x aspirin we can use the unitary method that is  multiply the total number by one part

2000 x 3/5= 400 x 3

= 1200

so, total 1200 doctors are using brand x aspirin

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above