Solution:
Total number of students=273
Let x students choose Tiger. Then we can write
Number of students who choose Bulldog 
Number of students who choose Lion 
So we can write

Hence a total of 39*2=78 student choose Tiger.
Answer:
1)option b
2)option a
Step-by-step explanation:
1) circumference = 62.8 in
=> 2πr= 62.8
=> r= 62.8/(2×3.14)= 10 in
diameter = 2×10 in = 20 in
2)diameter = 14m
radius = 7 m
Area of the circle= πr² =3.14(7)²=3.14×49
= 153.86
=153.9 m²