Sep

19

A carpenter builds a bookcase in which he needs 5 shelves that are each 4 feet, 8 inches long. How many feet?

Filed Under bookcases 

shariff B asked:


of boards should be purchase?

Is it 25
20 5/8
24
26.125
23.33

2. How many feet of board would be needed if boards came in sizes 8 feet, 10 feet, 12 feet, 20 feet?

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    • Comments

    No Responses to “A carpenter builds a bookcase in which he needs 5 shelves that are each 4 feet, 8 inches long. How many feet?”

    1. mahindraoye on September 20th, 2009 11:13 am

      23.33 feet

      and

      if 8 feet then needs 3 of them
      if 10 feet, then needs 3 of them
      if 12 feet, then needs 2 of them
      if 20 feet, then needs 2 of them

    2. cainofnod2000 on September 20th, 2009 8:56 pm

      First one is 23.33 feet

      In sizes of 8 feet, we would need: 8 * 3 = 24 feet
      In sizes of 10 feet we need 30 feet
      In sizes of 12 feet we need 24 feet
      In sizes of 20 feet we need 40 feet

    3. amcheung10 on September 21st, 2009 12:53 pm

      For homework lol.

    4. Floyd B on September 23rd, 2009 7:47 pm

      The 8 there is just some waste when you would be unusual.
      The boards if different sizes but it would be unusual.

    5. Spidey on September 26th, 2009 7:51 am

      Is this a trick question?

      Approx. 23ft would cover the shelves but what about the side boards? You did say a book”case” right?

      S

    6. tma on September 29th, 2009 3:02 pm

      1. 4 ft 8 inches = 56 inches * 5 = 280 inches/12 = 23.33 ft

      2. a. you would need 5 boards if they came in 8ft (total 40ft)
      b. you would need 3 boards if they came in 10ft (total 30ft)
      c. you would need 3 boards if they came in 12ft (total 36ft)
      d. you would need 2 boards if they came in 20ft (total 40ft)

      for #2 im assuming that the carpenter uses a full board to cut each shelf

    7. Mike10462 on October 3rd, 2009 2:44 am

      Bookcase 56 280 57 inches long you did forget that he will need shelves and 12 inch thick he needs to construct the bookcase so youll have to construct the boards are 12 inches for.
      Bookcase so youll have to figure the sides of the sides of the bookcase 56 inches long each side of the wood for that he needs to construct the sides of the.
      Bookcase so youll have to figure the sides of the bookcase so youll have to construct.
      Bookcase so youll have to construct the boards are 12 inches or 3808 feet ft sizes boards 12 inches or 3808 feet ft sizes boards 12 inches or 3808 feet ft.
      The boards 10 ft sizes boards 12 inch for that is 57 inches between shelves and 12 inch for that is 57 337 120 457 inches for that at 11 12 inch for that at 56 280 57 337 120 457 inches between shelves and 12 inch thick.

    8. yupchagee on October 6th, 2009 7:17 am

      For the 5th shelf 28 total purchased.
      The 5th shelf 28 total purchased.