Question

the sum of three consecutive multiple of 7 is 777find these multiples
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Answer 1

As given,the three consecutive multiples of 7 will be of the form:

x,x+7 and x+14

Then according to the question,

x+x+7+x+14=777

3x+21=777

3x=756

x=

3

756

=252

Multiples are 252,259,266.