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Czas- 46min
km- 164km
(164:46)* 60 = 213,91km/h
zad.12
2200gaŁEk
90gr - 1 gałka
2200*90=198000gr = 1980zł
16.02- 16.47- różnica pomiędzy tymi czasami wynosi 45 min
67km+97km=164km
164km w ciągu 45min
54, 6 [6]km=15min
164km+54,6[6]=218,6[6]
218,6[6]km/h
zad.12
2200*0,90=1980
2200*1,60=3520
3520zł-1980zł=1540zł
Odp.: zarobili 1540zł
2200gaŁEk
90gr - 1 gałka
2200*90=198000gr = 1980zł
zad.6
16.47 - 16.02= 45 min
67km+97km=164km
164km w ciągu 45min
54, 6 [6]km=15min
164km+54,6[6]=218,6[6]
218,6[6]km/h