Question

afla a,b,c,stiind ca 2a=30 ,b>2c ,a+b+c=36

Answer 1

a+b+c =36

2a =30  ;          a=30/2 =15

b =2c  ;            c =b/2

15+ b +b/2 =36    numitor 2

30+2b+b =72

3b =72-30

3b =42

b =14

c=14/2

c =7