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Mathematics, 12.01.2020 18:31 valeriearras

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third.

-10, -11 and -12
-12, -13 and -14
-14, -15 and -16

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Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is...
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