repede va rog, urgent dau 5coroane de pe 5conturi

Răspuns:
I zi : 4•450/15 + 36 = 1800/15 + 540/15 = 2340/15 = 156 km =>rest 450-156=294 km
II zi : 5•294/6 - 101 = 5•49-101=144 km
III zi : 294-144=150 km