In 1998 the profits of company N were 10 percent of revenues. In 1999, the revenues of company N fell by 20 percent, but profits were 20 percent of revenues. The profits in 1999 were what percent of the profits in 1998?  Choices.
A) 80 % B) 160 % C) 120 % D) 124.2 % E) 138 %

Rationale: "0,16 r = x / 100 * 0.1 r answer b"
Answer: B