A teacher's cabinet has 56 black dry erase markers and 14 red dry erase markers. Which proportion can be used to determine p, the percent of dry erase markers that are red? A P100=1456A cap p over 100 is equal to 14 over 56 B 7014=100PB 70 over 14 is equal to 100 over cap p C P14=56100C cap p over 14 is equal to 56 over 100 D 7056=P100D 70 over 56 is equal to cap p over 100