Exercise 12.1 1. Write each of the following as percent: (i) Solution: = 62.5% (iv) 0.8 = 0.8 (100) = 80% (v) 0.005 = 0.005 (100) = 0.5% (vi) 3:25 (vii) 11:80 = 13.75% (viii) 111:125 (ix) 13:75 (x) 15:16 (xi) 0.18 = 0.18(100) = 18% 2. Convert the following percentages to […]