Question

O familie consuma dimineata 1pe2 de paine, la pranz o paine si jumatate,iar seara o paine. Aflati cate paini consuma familia intr-o saptamana.

Answer 1

dimineata.......1/2
prinz..............1 si 1/2
seara.............1
rezolvare:
Transformam: 1/2=0,5
                    1 si 1/2=1,5
Calculam:
Cita piine mainca pe zi familia?
0,5+1,5+1=3piini
Dar cit maninca pe saptamina?
 3*7=21 de piini
Raspuns: Pe saptamina familia maninca 21 de piini.   

Answer 2

1/2+3/2+1=4/2+1=3 paini pe zi , 7*3=21 paini intr o sapt