In a survey of students , every student studies at least one of the three subjects Maths English and Science . The number of stu

Question

3 years ago

8

In a survey of students , every student studies at least one of the three subjects Maths English and Science . The number of stu

dents who study only one subject is twice the number of students who study only two students . If 20 students study all three and 80 students who study only two subjects, find the total number of students in the survey.

Mathematics

1 answer:

Mandarinka [93] · Answer 1 · 2022-09-05T05:02:39+03:00

Mandarinka [93]3 years ago

5 0

Answer:

80x2=160 20x3=60 160+60=220

Step-by-step explanation: