SOLUTION: In the United States, the number of nuclear power plants in the south exceeds that in the midwest by 11. together these two areas have a total of 73 nuclear power plants. How many

Question 1095293: In the United States, the number of nuclear power plants in the south exceeds that in the midwest by 11. together these two areas have a total of 73 nuclear power plants. How many are located in the South?
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
.

S - M = 11,
S + M = 73.
------------------Add the two equations.  You will get


2S = 11 + 73 = 84,   which implies  S =  = 42 power plants in the South.


Then in Midwest  there are M = 73 - S = 73 - 42 = 31 power plants.

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