Respuesta :

thevinsmoker
you have to know the formula of the consecutive numbers which is x, x+1,x+2,x+3=75 in this case
you will add the numbers 1+2+3 "6"
add the variablese x+x+x "3x"
subtract 6 from 72
divide by 3x
the number you get is hopefully your answer
answer is 12

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