vintagedoll1 vintagedoll1

31-08-2017
Mathematics

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Eight times a number is not less than the sum of the number and fifty

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coolstick coolstick

31-08-2017

If the number is n, then 8 times n ≥ n+50, and by subtracting n from both sides we get 8n-n ≥ 50 and 7n ≥50. Therefore, by dividing by 7, n ≥50/7

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