Answer:
54 teachers
Step-by-step explanation:
Students ratio :17+18=35 then 630/35= 18 18x3t=54
Answer:
0
Step-by-step explanation:
Answer: u mean r=0
Step-by-step explanation:
Answer:
16
Step-by-step explanation: becuase you have to round it think to urself is it closer to 15.9 or 16