Question 1
The sum of ages of Arlo, Kavita, and Sohan is 49. Their ages are in the ratio 3:1:3. How old is Arlo?
Sum of ratios = 3 + 1 + 3 = 7
Each unit = 49 ÷ 7 = 7
Arlo's ratio = 3
Age = 3 × 7 = 21
Each unit = 49 ÷ 7 = 7
Arlo's ratio = 3
Age = 3 × 7 = 21