Question
8 years ago from now, ratio of ages of βRβ and
βLβ was 3:5, respectively. If βLβ is 8 years elder to βRβ, then what will be the age of βLβ, 8 years hence from now?Solution
8 years ago from now, let ages of βRβ and βLβ be β3xβ years and β5xβ years, respectively. So, 5x β 3x = 5 Or, 2x = 8 Or, x = 4 Present age of βLβ = 5x + 8 = 5 Γ 4 + 8 = 28 years Age of βLβ, eight years hence from now = 28 + 8 = 36 years
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