16 over 23

16/23 *100 = 70 % ?????

17/23 * 100 = 74%


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Units 1, 2, 3 & 4
a* a b c d e f g u
50-45 44-40 39-35 34-30 29-25 24-20 19-15 14-10 10-0

Unit 5 100-90 89-80 79-70 69-60 59-50 49-50 39-30 29-20 19-0

???

.