To find out how much Marcus earned for each lawn he mowed, follow these steps:
1. Identify the total amount earned: Marcus earned a total of [tex]$216.
2. Identify the total number of lawns mowed: Marcus mowed 12 lawns.
3. Calculate the amount earned per lawn:
\[
\text{Earning per lawn} = \frac{\text{Total amount earned}}{\text{Number of lawns mowed}}
\]
Substituting the given values:
\[
\text{Earning per lawn} = \frac{216}{12}
\]
4. Perform the division:
\[
\text{Earning per lawn} = 18
\]
Therefore, Marcus earned $[/tex]18 for each lawn he mowed.
The correct answer is:
[tex]\[
\$ 18
\][/tex]
Mark the oval next to [tex]$\$[/tex] 18$.