Răspuns :
100%-40%=60% rest
60%=90 km
1%=90/60=1,5
1,5*100=150 km (total)
Raspuns: b)150 km
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60%=90 km
1%=90/60=1,5
1,5*100=150 km (total)
Raspuns: b)150 km
#BackToSchool
100%=lungimea intregului drum
100%-40%=60%
60%.....90 km
100%.....x km
x=100×90:60=9000:60=150 km
verificare:150×40:100=60 km a parcurs
90 km mai are de parcurs
60+90=150 km
r: lungimea intregului drum este de 150 km
100%-40%=60%
60%.....90 km
100%.....x km
x=100×90:60=9000:60=150 km
verificare:150×40:100=60 km a parcurs
90 km mai are de parcurs
60+90=150 km
r: lungimea intregului drum este de 150 km