SUPPOSE THAT YOUR HEIGHT THIS YEAR IS 10% MORE THAN IT WAS LAST YEA...

6. Suppose that your height this year is 10% more than it was last year, and last year your height was

20% more that it was the year before. The percentage by which your height has increased during the

last two years is:

(A) 12 (B) 22 (C) 28 (D) 31 (E) 32