find three consecutive number whose sum is 81
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Take the three consecutive numbers as x,x+1and as x+2=81
3x+3=81
3x=81-3
3x=78
X=78/3
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Sol: First number is A
Second number is A +1
Third number is A+2
From the question we know,
A+(A+1(A+2 is equal to 81
By solving this equation we get A is equal to 26
which is the smallest number of the 3 consecutive numbers
Second number is A +1
Third number is A+2
From the question we know,
A+(A+1(A+2 is equal to 81
By solving this equation we get A is equal to 26
which is the smallest number of the 3 consecutive numbers
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