Teens by 20s time 25sec
25% of ? time 30 sec
?/2
Singles by 40s
70% of ?
100
25*16
400
100
25% of 37
9.25
100
94/2
47
100
45*2
90
100
70% of 10
7
200
27*16
432
200
25% of 21
5.25
200
123/2
61.5
200
9*48
432
200
70% of 87
60.9
300
28*17
476
300
25% of 87
21.75
300
46/2
23
300
5*46
230
300
70% of 46
32.2
400
26*16
416
400
25% of 47
11.75
400
79/2
39.5
400
43*8
344
400
70% of 69
48.3
500
29*19
551
500
25% of 54
13.5
500
393/2
196.5
500
49*9
441
500
70% of 99
69.3