Answers ( 3 )
  • See question detail

    Calculating not "caculator" :)

  • See question detail

    a + b = 273

    a - b = 23

    \(\Rightarrow\) (a + b) - (a - b) = 250

         2b = 250 

           b = 125​ ​​ ​​ ​​​ ​​ ​​ ​​ ​​ ​​ ​​​ ​​ ​​ ​

    ​\(\Rightarrow\)​ a = 273 - 125 = 158

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  • See question detail

    The area of the rectangle: 43 \(\times\) 11 = 473 (m2) = 47300 (dm2)

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