After a big rain, the area of the surface of the local reservoir was 576 acres (ac). Use the facts to find the area of the surface of the reservoir in square miles (mi). 2 mi Conversion facts fo == 1 acre (ac) = 43,560 1 square mile (mi) = 640 acre 1 hectare (ha) 2.5 acres X S Note that means "is approximat For this problem, trea