va rog repedeeeeeeeeeee

Va Rog Repedeeeeeeeeeee class=

Răspuns :

Α+I+R=268
A=I+28
R=3×I

I+28+I+3×I=268
5×I=268-28
I=240:5=48

A=I+28=48+28=76
R=3×I=3×48=144