3.9
39
7
16 * 23 = 368
23 + 16 + 16 = 55
You can find the average of a series of numbers by simply adding the numbers together and divide your total by the amount of numbers added. 16 + 23 + 39 + 45 = 123 123 ÷ 4 = 30.75
23% = 23/100 so it is 16 23/100
-39
1.4375
30
23
23/16 = 1.4375
16/23 = about 0.696 = 69.6%