Răspuns :
40 km ..... 1h (60min)
6 km .......xh
x = 6x60 / 40 = 360 / 40 = 9 minute
40 km ....... 1h (60 min)
6km................. x h
x=6 ×60/40
x=6×3/2
x=3×3
x=9 min
40 km ..... 1h (60min)
6 km .......xh
x = 6x60 / 40 = 360 / 40 = 9 minute
40 km ....... 1h (60 min)
6km................. x h
x=6 ×60/40
x=6×3/2
x=3×3
x=9 min