# Own speed of ship 53.2 kmch. Speed having forgiven currents 50.5 kmch. find motor ship speed on a current.

Arilbine

173

(x + 50.5): 2 = 53.2 x + 50.5 = 53.2 * 2 x + 50.5 = 106.4 x = 106.4 - 50.5 x = 55.9 km/h speed on a current or so 1) 53.2 - 50.5 = 2.7 km/h the speed of a watercourse 2) 53.2 + 2.7 = 55.9 km/h speed on techeniyu53-50=3 (km/h) of 5-2=3 (km/h) of Answer: z, z km/h motor ship speed on a current

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vladimir

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