1.37 x 10^-3
288 timesed by 1/2
602998
3194181
2568468
695593
6388362
5136936
28187532
31748220
5271543
11910950
11259822
10694142
3705
288 times by 1 half
20/25 + 20/24
1/2X=2/(3X-1)
adam walks 1,25km in 25 minutes and sean 1,44 in 30 minutes . who walks faster
(x-3)(x-2)Y-2y=0