Question

determinati numerele x si y stiind ca sunt invers proportionale cu 1/2 si 1/3 ,iar suma lor este 360.

Answer 1

{x,y} ip {1/2, 1/3}
=> x=1 supra 1/2 k = 2k
y=1 supra 1/3 k=3k
x+y=360
2k+3k=360
5k=360
k=72
x=2×72=144
y=3×72=216