Răspuns :
6 muncitori...............10 zile
15 muncitori...............x
--------------------------------------
x=6x10:15=4 zile
15 muncitori...............x
--------------------------------------
x=6x10:15=4 zile
6 muncitori.......10 zile
15 muncitori......x zile
x=15x10:6=2,5 zile
Regula de 3 simpla
15 muncitori......x zile
x=15x10:6=2,5 zile
Regula de 3 simpla