Answer
Find out the How much does she earn .
To prove
Let us total amount she earn in 12 weeks be x .
As given
A sales associate is given a $500 hiring bonus with a new job.
She earns an average commision of $250 per week for the next 12 weeks.
Than the equation becomes
x = 500 + 250 × 12
solving the above
x = 500 + 3000
x = $3500
Therefore she earn be $3500 .
Hence proved