Question

In a zoo, the ratio of adults to children is 5 to 2. if there are 105 people in the zoo, how many children are there?

Answer 1

Adult : Children = 5 parts : 2 parts
Total parts = 5+2 = 7 parts
1 part of people in the zoo = 105/7 = 15 people

Number of children in the zoo = 15×2 = 30 chidren