SkyAce SkyAce 12-12-2019 Mathematics contestada I WILL GIVE BRAINLIEST!!! PLEASE HELP ASAP!!!! The width of a poster is 30 inches. Using scissors, you reduce width of the poster board to 10 inches. What is the scale factor of the dilation A. 1/3 B. 1/10 C. 3 D. 10