If 3x+6y+9z=20/3, 6x+9y+3z=17/3 and 18x+...

If `3x+6y+9z=20/3, 6x+9y+3z=17/3` and `18x+27 y-z=113/9`, then what is the value of 75x+ 113y?

A

a) `163//3`

B

b) `143//6`

C

c) `218//9`

D

d) `311//3`

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