Question

the sum of three consecutive multiples of 7 is 777 .find these multiples ​

Answer 1

Hey mate

here is your answer

let the first no. be x

$x + x + 7 + x + 14 = 777 \\ 3x + 21 = 777 \\ 3x = 756 \\ x = 252$

the consecutive no. are 252 , 259 , 266.

hope it helps you.

Answer 2

Refer to the attached file :)