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(11km\min)×10=110km\10min
110 kilometrów w 10 minut
V= d/t
v-prędkość, d - droga, t - czas
t = d/V = 110/66 = 1,66
potrzebuje 1,66 h na przejechanie 110 km
100km-x
66km-60minut
100km-x
66x=100*60
x=6000/66
x=90 i 60/66 minuty