Question

a+b+c=145 a=c:2 c:b=2 rest 5 care este a,b ,c?

Answer 1

c : b = 2    =>  c = 2b
a + b + c = 145
a = c: 2
a = 2b : b
a = 2
2 + b + 2b = 145
3b = 143
b = 143 : 3
b = 47,67
c = 2 * 47,67
c = 95,33
verificare:
2 + 47,67 +  95,33 = 145