IN THE US,ABOUT 3/20 OF THE POPULATION IS BORN WITH BLOND HAIR AND 1/20 OF THE POPULATION IS BORN WITH RED HAIR.WHAT FRACTION OF THE TOTAL POPULATION IN THE US IS BORN WITH BLOND OR RED HAIR?
2 answers
Would it be (3/20)+(1/20)?
Alex, what is 3/20 + 1/20 ?