To answer this question, we have to divide the total amount she has to save by the amount Heather saves each month.
Heather saves $319 per month and the down payment is $3,458, therefore, she has to save for
[tex]\frac{3458}{319}\text{ months.}[/tex]Simplifying the above result, we get:
[tex]10.84months\approx11\text{months.}[/tex]Answer:
Rounded: 11 months.