Question

2. Aflati numerelele a.b.c stiind ca a+b+c =240 si { a,b,c} direct proportionale cu 2,3,5​

Answer 1

A/2=B/3=C/5=K
A/2=K=>A=2K
B/3=K=>B=3K
C/4=K=>C=4K
A+B+C=240=> 2xK+3xK+5xK=240
(2x3x5)K=240
30K=240=>K=240:30
K=8
A=8x2=16
B=8x3=24
C=8x5=40