Question
If 80% of (X - Y) is equal to 40% of 60% of (X + Y), then
what is the value of Y:X?Solution
ATQ,
Given
80% of (X - Y) = 40% of 60% of (X + Y)
Or, 4 × (X - Y) = 3 × (X + Y)
Or, 4X - 4Y = 3X + 3Y
Or, X = 7Y
Or, Y/X = 1/7
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