Question

Determinati numerele x,y si z direct proportionale cu numerele 2,3 si 4 stiind ca x+y+z=27

Answer 1

x/2=y/3=z/4=k

x=2k

y=3k

z=4k

2k+3k+4k=27

9k=27

k=27÷9=3

k=3

x=2*3=6

y=3*3=9

z=3*4=12