Question

a+b supra b = 5 supra 3

Answer 1

prin produs de mezi si de extremi iti da ca 3a+3b=5b/-3b => 3a=2b => a=2b/3 si b=3a/2

Answer 2

(a+b)/b=5/3
(a+b)/b=(2+3)/3
a/b=2/3
a/2=b/3