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26 February, 10:06

a room with dimensions 10 ft by 5 ft require 400 tiles. how many tiles are needed for a room that measures 7 ft by 21 ft?

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Answers (2)
  1. 26 February, 10:25
    0
    1176

    Step-by-step explanation:

    A room with dimensions 10 ft by 5 ft require 400 tiles. There would be 1176 tiles needed for a room that measures 7 ft by 21 ft.
  2. 26 February, 13:16
    0
    1176

    Step-by-step explanation:

    A room with dimensions 10 ft by 5 ft has an area of 50 ft².

    A room with dimension 7 ft by 21 ft has an area of 147 ft².

    Writing a proportion:

    400 tiles / 50 ft² = x / 147 ft²

    x = 1176 tiles
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