Respuesta :

zaradyer
20% of 600 = 120km
25% of 600 = 150km
120 + 150 = 270km
600 - 270 = 330km
she travelled 330km by boat
600 / 5 = 120 (20%)
600 / 4 = 150 (25%)

120+150 = 270

600-270 = 330

330km