Question
If x : y : z = 5 : 6 : 8, and (3x + 4z) = 188, then find the value of y.
Solution
Let x = β5aβ So, y = 5a Γ (6/5) = β6aβ And z = 5a Γ (8/5) = β8aβ ATQ; 5a Γ 3 + 8a Γ 4 = 188 Or, 15a + 32a = 188 So, 47a = 188 So, a = 4 So, required value = 6a = 24
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