Answer :
Let's begin by listing out the given information:
[tex]\begin{gathered} 0.2\mleft(g-0.7\mright)+0.3\mleft(-0.3g+6\mright) \\ \text{Expand the bracket, we have:} \\ 0.2g-0.14-0.09g+0.18 \\ 0.2g-0.09g+0.18-0.14 \\ \text{0}.11g+0.04 \end{gathered}[/tex]