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20 April, 08:47

The area of Desert A is nine times the area of Desert B. If the sum of their areas is 2,000,000 square miles, find the area of each desert.

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  1. 20 April, 08:57
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    A=9b

    a+b=2000000, using a from above we have:

    9b+b=2000000 combine like terms on left side

    10b=2000000 divide both sides by 10

    b=200000, since a=9b

    a=1800000

    A=1,800,000 mi^2 and B=200,000 mi^2
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