Which equation can be used to find the answer? Usman paints the entire length of a fence in a day. He paints the last 12 m of the 38 m fence in the afternoon. How many meters of the fence does he paint in the morning? A. f = 38 ÷ 2 f = 19 19 m B. f – 12 = 38 f = 50 50 m C. f = 12 · 2 f = 24 24 m D. f + 12 = 38 f = 26 26 m