Posted by **Deborah** on Thursday, January 24, 2013 at 10:18pm.

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.

- Chemistry -
**Ms. Sue**, Thursday, January 24, 2013 at 10:38pm
How on earth did you get 114 lbs.???

At the end of 4 hours >> 90 * 2 = 180 lbs.

At the end of 8 hours >> 180 * 2 = 360 lbs.

At the end of 12 hours >> 360 * 2 = 720 lbs.

- Chemistry -
**Deborah**, Friday, January 25, 2013 at 6:22pm
Thank you - just misread the question...

## Answer This Question

## Related Questions

- Math - Suppose that the amount of algae is a pond doubles every 3 hours. If the ...
- UGRENT HELP, math - 1. Suppose that the amount of algae in a pond triples ever 2...
- biology - during the downpour in a village,the rainwater carried away excess of ...
- math - The area covered by water lilies in a pond you own doubles in size every ...
- Math - In the middle pond is a patch of moss. The moss doubles in size every day...
- science - Green algae grow in the fur of the South American sloth. The green ...
- Algebra - A fish pond at the local park is a regular hexagon. a. Write a formula...
- algebra - there were some ducks in the pond.Twenty-eight ducks flew away. Seven ...
- Science - Studies indicate that fertilizers from nearby farm fields have entered...
- science - Your neighbor has fertilized her lawn. Several weeks later, she is ...

More Related Questions