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d)
x + y = 450 | y=2,6 * x x + 2,6 * x = 450 3,6 * x = 450 x= 450 / 3,6 = 125 y= 2,6*125 = 325 e) x + y = 450 0,5x = 1/3 y <=> y = 1,5 x x + 1,5x = 450 <=> x= 450 / 2,5 = 180 y= 1,5*180 = 270 Geändert von klaus52 (05-06-2003 um 18:57 Uhr). |