50:16= 80:25= 70:30= 85:35= 193:60= 258:40= 780:300= 1680:300= 5720:900= 18178:79= 35360:35=
50/16=3.125 80/25=3.2 70/30=2.3 85/35=2,4 193/60=3,2 258/40=6,45 780/300=2.6 1680/300=5.6 5720/900=6,35 18178/79=230,1 35360/35=1010,2857