[求助] GWD 6-1

oneseven

Q1:

A certain company’s profit in 1996 was 15 percent greater than its profit in 1995, and its profit in 1997 was 20 percent greater than its profit in 1996.  The company’s profit in 1997 was what percent greater than its profit in 1995?

A.       5%

B.        18%

C.       33%

D.       35%

E.        38%

sally_mmm

96年profit=115%的95年profit

97年profit=120%的96年profit

带入

所以 97年profit=120% X 115% 的95年profit

得数减一就是答案了