In a zoo, the ratio of adults to children is 5 to 4. If there are 126 people in the zoo, how many children are there?

Question

In a zoo, the ratio of adults to children is 5 to 4. If there are 126 people in the zoo, how many children are there?

 

Answer 1

for every 5 adults there are 4 children, so:

 

5:4

 

5x + 4x = 126

 

9x = 126

 

x = 14

 

4(14) = 56 children