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11 May, 19:40

The combined land area of the countries A and B is 157,973 square kilometers. Country A is larger by 773 square kilometers. Determine the land area of each country.

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  1. 11 May, 20:21
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    The combined land areas of country A & B are 157,973 sq km. COuntry A is larger by 773 sq kn. The land area of Country A is 79,373, the land area of Country B is 78,600.
  2. 11 May, 21:47
    0
    A + B = 157,973

    A = B + 773

    now its just a matter of subbing

    (B + 773) + B = 157,973

    2B + 773 = 157,973

    2B = 157,973 - 773

    2B = 157,200

    B = 157,200/2

    B = 78,600 < = = = land area for country B

    A = B + 773

    A = 78,600 + 773

    A = 79,373 < = = land area for country A
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