Răspuns:
1 ren .....2 baloti
7 reni........x
--------------------
x=7·2=14 baloti consuma 7 reni
14·7=98 baloti consuma intr-o saptamana
98·6=588 kg fan consuma 7 reni intr-o saptamana
Sa se afle cate kg de fan consuma 7 reni intr-o saptamana.
7 reni x 2 baloti x 7 zile x 6 kg =
= 14 x 7 x 6
= 98 x 6
= 588 kg de fan
