Final answer:
The Hudson family needs to save $106.25 each week for their vacation to Disney World.
Step-by-step explanation:
To find out how much the Hudson family needs to save each week, we subtract the amount they have already set aside from the total cost of the trip. So, $3200 - $1500 = $1700. Then, we divide this amount by the number of weeks until they leave, which is 16. So, $1700 ÷ 16 = $106.25. Therefore, the Hudson family needs to save $106.25 each week for their vacation to Disney World.