MATH

posted by .

Grady has designed a wooden storage cabinet for his CD's amd DVd's. The cabinet has wooden door that can be closed. It is in the shape of a rectangular prism.

a) calculate volume of rect. prism.

So I go l*w*h?

b? Grady has decided to keep the length and width of the cabinet the same but he wants to reduce the height by one quarter. Estimate volume.

I don't get how to do B.

  • MATH -

    Oh sorry, forgot to provide all information. The width of the cabinet is 3ft. The length is 30 in. and the height is 6ft.

  • MATH -

    Make the ft into ins. (12 in. in a foot) and muilitpy length *width *height.

  • MATH -

    Alright thanks, but I jst don't get how to do Part b)

  • MATH -

    One quarter is 1/4 or .25 so *
    .25 * 6= ?
    Then do the same thing you did for A and there you go (:

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    The volume of a rectangular prism is 2x^3+5x^2+x-2. The height of the prism is 2x-1, and the length of the prism is x+2. Find the width of the prism.
  2. math

    a rengular prism is made of 1-centimeter cubes. the volume of the rectangular prism i 60 cubic centimeters. which set of dimensionscould describe the rectangular prism?
  3. math

    if a rectnagular prism has a height of h, the, width of the prism is six less than h and the length of the prism is one fourth of the length, find an equation for the volume of the rectangular prism in therms of h
  4. Math

    A rectangular prism has a volume of 960cm. It's width, length, and height are in the ratio 3:5:8. A) Determine the dimensions of the prism B) What is the ratio of the left side to the front to the top of the prism by surface area?
  5. Math

    A wooden block that is a rectangular prism is 12 inches long. Melinda cuts the wooden block along its length into 4 cubes. How long is each side of the cube?
  6. Math

    A wooden block that is a rectangular prism is 12 inches long. Melinda cuts the wooden block along its length into 4 cubes. How long is each side of the cube?
  7. math grade 8

    Hi! I have to sketch 3D shape of the house using triangular prism, rectangular prisms, cube, and cylinder.I have to include measurement calculations with formulas. I already did it all, but someone told me that the SA (surface area) …
  8. Algebra 2

    The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism?
  9. Algebra 2

    The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism?
  10. math

    Enya is building a storage cupboard in the shape of a rectangular prism. The rectangular prism has a square base with side lengths of 2.5 feet and height of 3.5 feet. Compare the amount of paint she would use to paint all but the bottom …

More Similar Questions