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4/15 of 5/7 of a number is greater than 4/9 of 2/5 of the same number by 8. What is half of that number? |
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Answer» Let the number be x. then 4/15 of 5/7 of x-4/9 of 2/5 of x=8 4/21x-8/45x=8 (4/21-8/45)x=8 (60-56)/315x=8 4/315x=8 x=(8*315)/4=630 1/2x=315 Hence required number = 315. |
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