Question

Descopera valorile pentru a,b si c,daca:a+b+c=65 b:a=2 rest 2 c:b=3 rest 3.

Answer 1

b÷a=2 rest 2=>b=2×a+2
c÷b=3 rest 3=>c=3×b+3 =>c=3×(2×a+2)+3
a+2a+2+6a+6+3=65
9a+11=65
9a=65-11
9a=54
a=54÷9=>a=6

b=2×6+2=14
c=3×14+3=42+3=45