Asked by Regina

Please help just real quick!!
suppose that the amount of algae in a pond doubles every 4 hours.if the pond initially contains 90 pounds of algae ,how much algae will be in the pond after 12 hours? 

the answer choices is: 
A) 720 pounds 
B)  360 pounds 
C)  1,440 pounds 
D) 114 pounds
Answered by Regina
Is it C??
Answered by Ms. Sue
No.
90
4 hrs >> 180
8 hrs >> 360
12 hrs >> ?
Answered by Regina
It's 720
Answered by Ms. Sue
Right.

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