Question

The sum of three consecutive multiple of 7 is 84 ,find the 3 multiple

Answer 1

Numbers are 3, 4, 5 and multiples are 21, 28, 35

Answer 2

let three consecutige integer be x,x+3,x+6

so,

A/Q

x+x+3+x+6=84

3x+9=84

3x=84-9

3x=75

x=75÷3

x=25


x+3=25+3=28
x+6=25+6=31


so multiple of 3 are 25,28,31


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