👤

ajutorrrrrrrrrrr exercitiul 8 va rog

Ajutorrrrrrrrrrr Exercitiul 8 Va Rog class=

Răspuns :

a/b = 2/5 --> a = 2b/5
b/2 = c/5 --> b = 2c/5
c-b = 30 --> c = 30+b

c = 30+b
c = 30+2c/5
5c = 150+2c
5c-2c = 150
3c = 150
c = 150/3
c = 50.

b = 2c/5
b = 2•50/5
b = 2•10
b = 20.

a = 2b/5
a = 2•20/5
a = 2•4
a = 8.




J'espère aidé :)
in text a[pare un i in plus


b=2k
c=5k
 c-b=3k=30
k=10
b=20
c=50

a=2b/5=2*20/5=8
 Deci raspuns
 a=8
b=20
c=50