Question

3 muncitori construiesc un zid in 14 zile. In cat timp il vor construi acelasi zid 6 muncitori

Answer 1

3 m ....... 14 zile

6 m ........ x zile

_____________

x=14×3:6=42:6=7 zile ( 6 muncitori )

Answer 2

3 muncitori...........14 zile

6 Muncitori...........x zile

3×14=x×6

42=x×6

x=42:6

x=7 zile