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05-06-2021
Mathematics

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If the sum of three consecutive multiples of 7 is 945. Find the smallest among them

Respuesta :

05-06-2021

consider first number is = x

formula,

(n / 2)(first number + last number) = sum,

7/2(x+x+6)= 945

2x+6= 945×2/7

2x+6 = 270

2x= 270-6

x=264/2= 132

Answer the smallest number is 132.

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