soujanyabaindla soujanyabaindla

08-08-2020
Mathematics

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The sum of three consecutive multiples of 7 is 777 find these multiples

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Аноним Аноним

08-08-2020

let the consecutive multiples be 7(n-1) , 7n and 7(n+1)

so 7(n-1)+7n+7(n+1)=777

or 3n=111,

n=37

252,259,266

Answer Link

konrad509 konrad509

08-08-2020

[tex]7n+7n+7+7n+14=777\\21n=756\\n=36\\\\7n=252\\7n+7=259\\7n+14=266[/tex]

252,259,266

Answer Link

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