12 posters for 36 students ; 21 posters for 63 students

Mathematics · Middle School · Tue Nov 03 2020

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Given the statement:

12 posters for 36 students; 21 posters for 63 students

Solution:

The given can be written in ratio of proportionality.

Poster: Number of students

12:36
Simplify by factoring out 12.
1:3

21:63
Simplify by factoring out 7
1:3

Final answer:

The ratio between the posters and the number of students is,

1:3