Determine if each pair of rates are equivalent. 12 postersfoe 36 students; 21 posters for 63 students

Answer:
Yes
Step-by-step explanation:
Determine whether 12/36 = 21/63.
Note that 12/36 reduces to 1/3, and that 21/63 also reduces to 1/3. So, yes, the given rates are equivalent.