A. Computer 4 repair 3 may 2 yesterday 1
B. Yesterday 4 repair 3 may 2 computer 1
C. Computer 1 may 2 repair 3 yesterday 4
D. Yesterday 4 may 3 repair 2 computer 1
E. Computer 4 may 3 repair 2 yesterday 1
If ax=by=cz, (b/a)=(c/b) and a, b and c are not equal, then what is the value of 2z/(x+z)?
3 x 0.3 x 0.03 x 0.0003 x 30 =?