Question
8 years ago from now, ratio of ages of βRβ and
βLβ was 3:7, respectively. If βLβ is 8 years elder to βRβ, then what will be the age of βLβ, 6 years hence from now?Solution
8 years ago from now, let ages of βRβ and βLβ be β3xβ years and β7xβ years, respectively. So, 7x β 3x = 8 Or, 4x = 8 Or, x = 2 Present age of βLβ = 7x + 8 = 7Γ 2 + 8 = 23 years Age of βLβ, six years hence from now = 23 + 6 = 28 years
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