math VERY URGENT
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.

math VERY URGENT 
Steve
every year she has 3 times as many plants
1+3+9+27+81 = 121 
math VERY URGENT 
bobpursley
first year 1
second year 2+1
third year 6 +2+1
fourth year=18+6+2+1
total= sum above 
math VERY URGENT 
Aasiyah
24 plants
first year 1+2=3
second year 3x2=6
third year 6x2=12
fourth year 12x2=24 
math VERY URGENT 
Logan
First year
1+ 2=3
Second year
3+2+2+2=9
Third year 9+2+2+2+2+2+2+2+2+2=27
Fourth year
27+[27•2]=81
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