Answer:
2.5 ft
Step-by-step explanation:
A rectangular prism's volume is given by it's base area multiplied by it's height:

In this problem, we are given the volume and the base area, so we need to solve for h:


The units are feet, so the answer is 2.5 ft.
Simply just divide 5 and 3/5:
5/(3/5)=25/3
Therefore, 5 cups of birdseeds will last 25/3 days.
If u want the mathematical answer then 1 if you want the real life answer 0
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