The living room of Xiao Ming s house is 20cm long and 15m wide

Updated on Living room 2024-07-13
2 answers
  1. Anonymous users2024-01-24

    FIRST OF ALL, IT'S 20M IN LENGTH, RIGHT? It should be a binary equation.

    The total area is 20m*15m=300

    The area of the carpet is 2 3 of the living room area, 200, the empty space is 100, the carpet is rectangular, the width of the blank is X, and the listing formula is 2*15X+2(20-2X)x=100

    After simplification, the following equation is solved by the formula method: 2x 2-35X+50=0 to obtain X1= X2=

    Rounding X1 gives X2=

  2. Anonymous users2024-01-23

    There is a problem with your proposition, the length of the living room will not be only 20 cm, right? The length of 15 meters is also unreasonable. Did you get the unit of measurement wrong?

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