Question

hi can you do 6 and 7 so i can understand the rest of the questions given to me. also, can you show the check too? so i can understand. thank you!

Answer 1

We have the following:

6.

`0.2\cdot(4n+3)=2.2`

solve for n:

`\begin{gathered} 0.8n+0.6=2.2 \\ 0.8n=2.2-0.6 \\ n=(0.16)/(0.8) \\ n=2 \end{gathered}`

The answer is 2.

7.

`\begin{gathered} (9+t)/(12)=-3 \\ \end{gathered}`

solving for t: