Question

o lucrare eate terminata de 6 muncitori in 30 de zile
a) in cate zile termina aceasi lucrare daca lucreaza8 muncitori
b) calculati cati muncitori vor termina aceasi lucrare in 20 de zile?

Answer 1

a)6m=30z
8m...? zile
6x30:8=180:8=22.5
Vor termina in 22.5 zile.
b)30x6:20=180:20=9 zile vor termina

Answer 2

a)
I.P
6m.............30 zile
8m.............x zile$x=\frac{30\cdot 6}{8}=22,5$
b)

I.P
30zile...........6m
20zile...........x m
$x=\frac{6\cdot 30}{20}=9 \ muncitori$