anetterp
anetterp
07-12-2016
Mathematics
contestada
2b +3c = 4.75
b + 2c = 2.75
Respuesta :
RaisaSalsabil
RaisaSalsabil
07-12-2016
2b+3c-b-2c=4.75-2.75
b+c=2
But, b+2c=2.75
So, b+2c-b-c=2.75-2
c=0.75
Put this value in 2nd eqn,
b+2*0.75=2.75
b+1.5=2.75
b=1.25.
I hope you get your answer.
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