Răspuns :
2500m_________30min
200m__________x
x=200x30/2500=60/25=12/5=2,4min
200m__________x
x=200x30/2500=60/25=12/5=2,4min
30 min=1800 sec (30x60)
.1800.....................................2500 m.
x .............................................200 m.
x=1800x200:2500=144 sec
144sec=2 min si 24 sec (144:60)
R: 2 min si 24 sec
.1800.....................................2500 m.
x .............................................200 m.
x=1800x200:2500=144 sec
144sec=2 min si 24 sec (144:60)
R: 2 min si 24 sec