Posted by mona on .
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,
beginning of first day 4
end of first day 8
end of second day  16
.
.
mmmhhh. 
number patterns 
mona,
12

number patterns 
Reiny,
argggg!!
don't the numbers double?? 
number patterns 
Jen,
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,
1st day = 4
2nd day = 8( double of 4)
3rd day = 16 ( double of 8) 
Math 
Nenzen,
4 +4=8 +8=16 answer