Question
Determine the value of ‘x’ if x% of 500 plus {1250
÷ x of 10} × 5 equals 130Solution
ATQ,
x% of 500 + {1250 ÷ x of 10} × 5 = 130
Or, 5x + 625/x = 130
Or, x² – 26x + 625 = 0
Or, x² – 25x – x + 625 = 0
Or, x(x – 25) – 1(x – 25) = 0
Or, (x – 1)(x – 25) = 0
Or, x = 1 or x = 25
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