Question

O cantitate de 130 t cereale a fost repartizata in 4 hambare, direct proportional cu numerele: 1;4;6 si 2. Aflati cantitatile respective

Answer 1

x/1=y/4=z/6=w/2=k
x=k
y=4k
z=6k
w=2k
k+4k+6k+2k=130
13k=130 =>k=10
=>x=10
=>y=40
=>z=60
=>w=20