Question

Descopera valorile a,b si c,stiind ca a+b+c=78 ; b:a=2 rest 2;c:b=2 rest 2.

Answer 1

a+b+c=78
b:a=2 rest 2
b=2a+2

c:b=2 rest 2
c=2b+2

c=2(2a+2)+2
c=4a+6

inlocuim in prima ec
a+ 2a+2 + 4a+6=78
7a=70
a=10

b=2*10+2=22

c=2*22+2=46