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O masina a parcurs 30 km in 20 minute.Ce distanta va parcurge in 50 de minute,daca va merge la fel de repede?Multumesc frumos !

Răspuns :

30 ....................20
x ......................50
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x = 30 *50 / 20 = 75
30:20=1,5 km face intr-un minut; 1,5×50=75 km va face in 50 min