How to:
a+b-mx=0
a+b=mx
(a+b)/x=m
I would go with B but this is a tricky question. Hopefully i am correct.
B: 914-20(27.80)=X, multiply: 20(27.80)=556, 914-556=$358 :A.
C: 914-27.80=$886.20 :)
3>-2 i believe
djdjjdksksk sorry i needed more characters