Answer:
12 posters for 36 students equivalent to 21 posters to 63 student
Step-by-step explanation:
we need to check whether 12 posters for 36 students equivalent to 21 posters to 63 student
12 posters for 36 students can be written as \(\frac{12}{36} = \frac{1}{3}\)
Now 21 posters to 63 student can be written as
\(\frac{21}{63}\) divide top and bottom by 3
\(\frac{21}{63} = \frac{7}{21}=\frac{1}{3}\)
So, 12 posters for 36 students equivalent to 21 posters to 63 student
