Question

a : b = 3
a : c = 2
Sa se afle triplul lui a stiind ca a + b+ c = 11 .

Answer 1

a=3b

a=2c =>c=a/2=3b/2

3b + b + 3b/2 = 11

6b+ 2b + 3b = 22

11b=22

b=2

a=6

c=3

=>3a=18