Math, asked by kishan9788, 11 months ago

the sum of 7 consecutive integers is 91 then the sum of first two is

Anonymous: ___k off

Answers

Answered by Anonymous

Answer:

Step-by-step explanation:

let the integers are

x-3,x-2,x-1,x,x+1,x+2,x+3

then adding them we get

7x-3-2-1+1+2+3=91

7x=91

x=91/7=13

hence sum of first two is

x-3+x-2=2x-5

=2*13-5

=26-5=21

kishan9788: can there be any other methord

kishan9788: using sum formula

Anonymous: Yes Use AP method where d=1,n=7,Sn=91,find a then answer will be a+a+1=2a+1

Anonymous: Assume integers x,x+1,..........,x+6

Anonymous: Welcome and all the best

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