Question 1
In a family, Vikas : Alexa = 5:3 and Alexa : Giselle = 3:1. The sum of their ages is 45. Find Alexa's age.
Let common ratio for Alexa be 3
Then Vikas:Alexa:Giselle = 5:3:1
Sum of ratios = 9
Each unit = 45 ÷ 9 = 5
Alexa's age = 3 × 5 = 15
Then Vikas:Alexa:Giselle = 5:3:1
Sum of ratios = 9
Each unit = 45 ÷ 9 = 5
Alexa's age = 3 × 5 = 15