Question 21552

 SOLUTION

 LETTHE NUMBER BE = X
  FIRST STATEMENT IS 7 TIMES A NUMBER=
        7(X)

SECOND STATEMENT ,TWELEVE MORE THAN THREE TIMES THE NUMBER= 12+3(X}
 THEREFORE,
7X=12+3X
7X-3X=12
 4X=12
  X=12/4
  X=3

SO THE NUMBER IS DEFINITELY 3.

MORUPH OSUOLALE,
CENTRAL PIEDMONT COLLEGE,
CHARLOTTE,NC