# math

posted by .

If plywood sheets sell at 4ft. x 8ft. a sheet and I want to and I want to build a 12ft x12ft kitchen ; how many do I need to buy? Can anybody tell me how to set this problem up?

• math -

I assume you simply want to use the plywood as a subfloor?

You would lay 3 sheets side by side to cover an area of 12 x 8.
then turn one more sheet sideways, leaving a 4 x 4 area open. You have to cut one more piece in half to cover that area.
So you would need 5 sheets.

In reality, you would not lay them they way I suggested, but they would be laid in a staggered fashion to give more stability. You would do it in a "brick-layered" pattern.
Start with a whole sheet, then put a 4 x 4 sheet to finish.
Then start with a 4 x 4, and finish with a whole sheet, etc.

YOu still need 5 sheets

## Similar Questions

1. ### COLLEGE PHYSICS

Find the x and y coordinates of the center of gravity of a 4ft by 8ft uniform sheet of plywood with the upper right quadrant removed?
2. ### Math

I need serious help. Tried to work it out but I just couldn't get the correct answer. Benjamin and olivia are putting a new floor in their kitchen. To get the floor up to the desired height, they need to add 1 /8ft to subfloor. They …
3. ### Math/Fractions

I really need help with this problem. I have NO IDEA how to get the answers to 3 and 5. Benjamin and Olivia are putting in a new floor in thier kitchen. To get the floor up to the desired height, they need to add 1 1/8 ft. of subfloor. …
4. ### math

A sheet of plywood measures 4 feet by 8 feet. Armand wants to build a dog house using one whole sheet of plywood for the floor. a. Armand needs to put a "2 by 4" under the outer edges all the way around the floor, and another "2 by …
5. ### Math

Doug needs to purchase four sheets of marine grade plywood to make repairs on the roof of his garage. Depending on the type of tree used to make the wood, the cost of the plywood is between \$42 and \$45 per sheet. Which of the following …
6. ### Math

A sheet of plywood is 4 feet wide by eight feet long. What is the minimum number of sheets of plywood needed to cover the frame?
7. ### Math

A 12-ft. board is cut into 2 pieces so that one piece is 4 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces 12ft-x=3x+4 12ft- x-3x=4ft 12ft-4x =4ft -4x=-8ft x=2ft
8. ### HELP ME ! DESPRATE MATH STUDENT !!

1)Suppose x = 2y - 7. What is x, if y = 5?
9. ### MATH REPOST

Consider the net of a triangular prism where each unit on the coordinate plane represents four feet. If a sheet of plywood measures 4 ft x 8 ft, how many sheets of plywood will a carpenter need to build the prism?
10. ### Wood shop

Convert a 3ft. X 8ft. Piece of plywood to a 2ft. X 12ft. Price with one cut

More Similar Questions