30 adults because if there are 3/10 it means they reduced so if the denominator is 100 then 30/100 is the answer :)
Answer:
520 m
Step-by-step explanation:
Perimeter is the distance around a shape. To find the perimeter, you add up all the sides.
200 + 60 + 60 + 200 = 520 m
Answer:
2 x 20^2
Step-by-step explanation:
I did it on paper and looked it up to make sure