Question

A B C D. B jumătate lui A,C jumătatea lui B,D jumătatea lui A.Suma totala 600

Answer 1

A=2B
B=2C deci A=4C
A=2D deci B=D
c+2c+2c+4c=600
9c=600
c=600/9=200/3=66intreg si 2/3
b=d=(200/3)*2= 400/3=133+1/3
a=(200/3)*4=800/3=266+2/3
266+133+133+66=598
2/3+2/3+1/3+1/3=6/3=2
598+2=600