Posted by **Aniya** on Sunday, July 13, 2008 at 4:59pm.

A 10-gal aquarium is 3 in. higher than it is wide. Its length is 21 in, and its volume is 2730 in^3. What are the height and width of the aquarium?

x(x+3)......x^2+3x

21(x^2+3x)....

21x^2+63x-2730.....

I am stuck.....I think I am doing it wrong. I have the answers but I don't know how to get there....Help!

## Answer This Question

## Related Questions

- math - A ten-gallon aquarium is 3 inches taller than it is wide. It's length is ...
- mathematics - 1.An aquarium has the shape of a rectangular prism.It's length is ...
- Math - A rectangular aquarium has a length of 18 inches, a width of 8 inches; ...
- math - Claire's old aquarium has a volume of 27,000cm3. She bought a new ...
- math - Martene got a small aquarium for her birthday. The aquarium is a right ...
- Maths - The jade restaurant has a large aquarium on display in its lobby the ...
- geometry - Mr. Horn purchased a cylindrical aquarium for his office. The ...
- math - an aquarium holding african cichlids is 2 inches higher than it is wide. ...
- Geometry - A rectangular aquarium has a length of 18 inches, and a height of 12 ...
- math - Donald wants to build an aquarium with internal volume of 1 m^3 that made...

More Related Questions