Saturday

March 28, 2015

March 28, 2015

Posted by **Hobo** on Thursday, March 11, 2010 at 3:07pm.

A.The bottom layer is pea gravel and needs to be 2 inches deep. How many cubic inches will she need? B. The second layer is aquarium gravel and needs to be 1 inch deep. She has 400 cubic inches of gravel, does she have enough?C.The top layer is potting soil. It needs to be 5 in deep. The ptting soil comes in bags of 1,500 cubic inches. How many bags will she need?

- math -
**Ms. Sue**, Thursday, March 11, 2010 at 3:15pmHow have you started these problems?

Where did you get stuck?

- math -
**Hobo**, Thursday, March 11, 2010 at 3:17pmthis whole thing makes no sense to me. can you please answer it?

- math -
**Ms. Sue**, Thursday, March 11, 2010 at 4:16pmThe major part of this problem involves volume.

The volume of a rectangular prism is:

V = l * w * h

Since the bottom layer is 2 inches deep --

V = 24 * 14 * 2

V = 672 cubic inches

Now figure out the volume of each of the other two layers.

**Answer this Question**

**Related Questions**

Math-help please - 1) an architect built a model of a 220ft tall building . The ...

math - Marianne buys 16 bags of potting soil that comes in 5/8 pound bags a.how ...

SCIENCE - Some student made a terratium out ot the bottom of 2-liter soda bottle...

Math help - A painter needs to know the height of a building to estimate the ...

math - a worker in a city park needs to cover a circular path around the outside...

math - If a picture is 4 inches tall and 9 in. wide is to be scaled to 2.5 in. ...

science - which is bettter for wind erosion? gravel soil or sandy soil.

6th Grade Math - Marianne buys 16 bags of potting soil that comes in 5/8 -pound ...

math - Victoria has two tea sets that are similar in size. The larger teapot is ...

Trigonometry - Christian is between two tall buildings 10m away from the taller ...