Question

Daca a/2=b/4=c/6 si a+2c=7,determinati a,b,c.

Answer 1

a/2=b/2=c/6 a+2c=7 a=(2b)/4 c=(6b)/4 (2b)/4+2*(6b)/4=7^4 (Totul *4) 2b+12b=28 14b=28 b=28/14 b=2 a=(2b)/4 a=1 c=(6b)/4 c=3