Question 206967
the sum of three consecutive page number is 60. find the numbers?
:
x + (x+1) + (x+2) = 60
:
3x + 3 = 60
:
3x = 60 - 3
:
3x = 57
x = {{{57/3}}}
x = 19 
:
Pages 19, 20, 21