Problema Solution

The combined land area of countries A and B is 191,973. Country A is larger by 573 square kilometers. determine land area of each country.

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Let


a = the area of country A


b = the area of country B


The combined land area of countries A and B is 191,973:


a + b = 191973


Country A is larger by 573 square kilometers:


a = 573 + b


We have the following system of equations:


a + b = 191973


a = 573 + b

........


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........

a = 96,273 km^2


b = 95,700 km^2


Country A is 96,273 km^2.


Country B is 95,700 km^2.