Question

Determinati nr. X si Y stiind ca sunt invers proportionale cu 1 supra 2 si 1 supra 3 , iar suma lor este de 360.

Answer 1

x/1/1/2=y/1/1/3=k
x/1/1/2=k
x/2=k⇒x=2k
y/1/1/3=k
y/3=k⇒y=3k
x+y=360
2k+3k=360
5k=360
k=72
x=144
y=216