Answer:
First option: 
Step-by-step explanation:
The missing options are:

We know that "x" represents the number of weeks Bess worked and "y" the number of weeks Gina worked.
According to the data given in the exercise, Gina and Bess earn $45 per week for delivering flowers, this is:

Since earned an additional total bonus of $20, then the total money in in dollars that Bess and Gina earned for delivering flowers can be shown with the following expression:

Notice that this expression matches with the one shown in the first option.
12/7 simply exchange the denominator and the numerator
Subtract the amount used from the total packets:
5000 - 1824 = 3176 left after the first week.
3176 - 2352 = 824 total packets left.