Answer:
[tex]\large \boxed{\$1036.75}[/tex]
Step-by-step explanation:
[tex]\text{Weekly salary} = \$725\\\text{Commissions} = \text{\$4300 sales} \times \dfrac{\text{\$7.25 commission}}{\text{\$100 sales}} = \text{\$311.75 commission}\\\\\text{Earnings} = \text{Salary + Commissions} = \$725 + \$311.75 = \mathbf{\$1036.75}\\\text{Danielle's earnings were $\large \boxed{\mathbf{\$1036.75}}$}[/tex]