Question 739884
133(b)+6(c)=1000 
2.07(b)+0.2(c)=8
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Multiply the 2nd eqn by 30
133b + 6c=1000 
62.1b+ 6c=240
--------------- Subtract
70.9b = 760
b = 760/709
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62.1b+ 6c=240
times 10/3
207b + 20c = 800
c = (800 - 207*760/709)/20
c = 40 - 207*38/709
c = 20494/709
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Some ugly fractions.