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28 students, 18 parents, and 4 teachers took part in a field trip. What fraction of people on the trip were students? What fraction of people on the trip were parents? What fraction of people on the trip were teachers?

Respuesta :

In these problems, it is always a good idea to find the total population. In this case, it would be the total number of people who went on the field trip.

28+18+4=50

There are 50 people total.

To find each fraction, just put the number of students/parents/teachers over 50 and simplify.

Students
28/50=14/25

Parents
18/50=9/25

Teachers
4/50=2/25

Hope this helps!