a) 60:40=1,5h=90 minute
90 minute + 12h= 13:30(motociclistul ajunge)
60:50=1,2=72minute
12 h 30 +72 minute= 13:42(taxiul ajunge)
b) 40km/h x 30 minute= 20 km
60-20=40km
40:(40+50)=26minute 40 secunde
26minute 40 secunde+12 h 30 =12:56 40 secunde
c) 20 + 40x(40:90)=37,(7)km