Răspunsuri

2014-07-16T14:33:15+03:00
0,5h=30 min
800dm=80m

160m.........30min
80m..............x

x=80*30/160

x=30/2

x=15min= 900sec
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  • Utilizator Brainly
2014-07-16T14:39:05+03:00
0,5 h=60 min:2=30 min
800 dm=80 m
160m....30 min
80m...x min
x=30x80:160=15 min
 Treseul se poate parcurge in 15 min, egale cu 900 de secunde.
Bafta!