Question

buna nu pot rezolva o problema suna asa> ...doi frati consuma dimineata o doime de paine la pranz o paine si jumatate iar seara o paine. . Aflati cate painiconsuma timp de o saptamana cei doi frati

Answer 1

x-painea
x/2+(x+x/2)+x=2x+2x/2=2x+x=3x deci intr-o zi consuma 3 paini
intr-o saptamana consuma 3x7=21 paini

Answer 2

1/2+1+1/2+1=6/2=3
3*7=21paini consuma intr-o saptamana