Answer:
Leon pay $448.2 for four days.
Explanation:
Given:
Leon assembles an average of 9 machines per day.
He is paid $12.45 per machine.
Find pay for four days.
Leon pay $12.45 per machine and he is assembles an average of 9 machines per day.
So, he is pay for one day = pay for each machine
machines assembles in one day.
![=12.45* 9](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ufhkaxgtaygz9dnk6vrfmi1kwlx14hey42.png)
![=112.05](https://img.qammunity.org/2020/formulas/mathematics/middle-school/pawd31x1sf66olkyk4pmor8gnq372c430i.png)
Leon pay $112.05 for one day.
So, he is pay for four days is
![=4* 112.05](https://img.qammunity.org/2020/formulas/mathematics/middle-school/sx8r9z9s7qal1z687axpicy9odzrsnoc03.png)
![=448.2](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ukp2ouu15p24327u0ys6g57ox7ug3qwhfm.png)
Therefore, Leon pay $448.2 for four days.