math
posted by Anonymous .
Mrs. Black has one begonia plant. If she buys two begonia plants each year for every one she has, how many will she have in four years?
Please explain the answer.

1st year she bought 2..1 times 2 is 2
2nd year she bought 6..3 times 2 is 6
3rd year she bought 12..6 times 2 is 12
4th year she bought 24...12 times 2 is 24
The answer is she bought 24 plants in 4 yrs!!! 
well my teacher read the book and she says 27.

im pretty sure that was wrong though cuz when i did the math i got 36 unless 9 died. lol
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