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Rainbow [258]
2 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]2 years ago
5 0

Answer:

80x2=160         20x3=60  160+60=220

Step-by-step explanation:

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