Answer:
The correct option is C) Both plans will work for achieving the goal.
Explanation:
Consider the provided information.
Plan A: Save $450 over the next 8 weeks by working 9 hours per week at $7.20 per hour.
For next 8 weeks by working 9 hours per week at $7.20 per hour, you will earn:
We need to save $450 which is less than $518.40. Thus, plan A will work.
Plan B: Save $450 over the next 6 weeks by working 15 hours per week at $6.50 per hour.
For next 6 weeks by working 15 hours per week at $6.50 per hour, you will earn:

We need to save $450 which is less than $585.00. Thus, plan B will work.
Hence, the correct option is C) Both plans will work for achieving the goal.