andreagarcia11
andreagarcia11
30-03-2018
Mathematics
contestada
Answer? 225 or 300?
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jesicaortiz850
jesicaortiz850
30-03-2018
-7(x+y=525)-7
3x+7y=2775
-7x-7y=-3675
3x+7y=2775
-4x=-900
X=-900/-4
X=225
Answer is c
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