Homework Help: number patterns

Posted by mona on Wednesday, October 20, 2010 at 11:21am.

joshua is raising fruit flies for a science project.at the begining of the first day,he had 4 fruit flies,his fruit flies double in number each day.how many fruit flies does he have at the end of three days

number patterns - Reiny, Wednesday, October 20, 2010 at 11:23am
beginning of first day ---4
end of first day ---8
end of second day --- 16
.
.

mmmhhh.
number patterns - mona, Wednesday, October 20, 2010 at 11:28am
12
number patterns - Reiny, Wednesday, October 20, 2010 at 11:29am
argggg!!

don't the numbers double??
number patterns - Jen, Wednesday, October 20, 2010 at 1:51pm
Mona,
The numbers double. As Reiny said, the first day there's 4, the next day 8, the next day 16. Add those three numbers together for the total amount.
number patterns - Min, Wednesday, October 20, 2010 at 2:37pm
1st day = 4
2nd day = 8( double of 4)
3rd day = 16 ( double of 8)

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