299m.........................1lucrare ......................130zile
299m.........................x..................................4zile
x = 4*1/130=2/65
1-2/65 = 65-2/65 = 63/65
299m...........................1lucrare.....................130z
177m...........................63/65........................y
130/y=177/299*1/63/65
130/y=177/299*65/63
130y=11506/18837
y=130*18837/11506
y=2448810/11506
y=212,83 - 213
4+213=217 zile termina toata lucrarea
