Question

determinati numerele x y z stiind ca sunt invers proportionale cu 0,5 0,(3) 0,25 stiiind ca x+y+z = 36

Answer 1

0,5x=0,(3)y=0,25z
x/2=y/3=z/4
y=3x/2
z=4x/2=2x
x+3x/2+2x=36
2x+3x+4x=72
9x=72
x=8
y=3*8/2=12
z=2*8=16