Question
If the numerator of a fraction is increased by 150% and the denominator is increased by ___%, the fraction becomes 4/7. What is the original fraction? Which of the following options meet this condition?
Solution
From option A, (250/100 * 2)/(250/100 * 5) ≠ 4/7 This option does not satisfy the given condition. From option B, (250/100 * 4)/(350/100 * 5) = 4/7 This option satisfies the given condition. From option C, (250/100 * 3)/(200/100 * 5) ≠ 4/7 This option does not satisfy the given condition. From option D, (250/100 * 4)/(400/100 * 5) ≠ 4/7 This option does not satisfy the given condition.
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