# Chemistry

posted by
**Deborah**
.

2. 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?

A.)720 pounds

B.)360 pounds

C.)1,440 pounds

D.)114 pounds

I think the answer is D.

Please help.

Thank You.