Answer:
Yours paycheck is 297.78. Your coworkers is 372.22
Step-by-step explanation:
Let x represent your paycheck and y represent coworkers paycheck.
Your paycheck is 20% less than your coworker so we can represent this as

and We also know that

We subsitue y for x.



So your coworker paycheck is 372.22.
Plug this back in to either equation, to solve for x.


So our paycheck is 297.78.