babykoo9197 babykoo9197 19-10-2020 Mathematics contestada Gary has a box of pencils. In the box, 7/21 of the pencils have been sharpened. Select the three fractions that are proportional to the fraction of sharpened pencils in Gary’s box. A) 1/3 B) 1/7 C) 12/4 D) 13/39 E) 14/42 F) 21/7