the floor of the shallow end of a swimming pool is at -3 feet. the floor of the deep end is 9 feet deeper. which expression can be used to find the depth of the deep end? 

To find the depth of the deep end of the swimming pool, you can start with the depth of the shallow end and then subtract the additional depth.

Given:
- The depth at the shallow end is \(-3\) feet.
- The deep end is 9 feet deeper.

The expression to find the depth of the deep end is:

\[
-3 - 9
\]

This simplifies to:

\[
-12 \text{ feet}
\]

So, the depth of the deep end is \(-12\) feet.

Would you like more details or have any questions about this?

Here are 5 related questions you might find helpful:
1. What would the depth be if the deep end was 15 feet deeper instead?
2. How would you write the expression if the shallow end was 5 feet deep instead of -3 feet?
3. What is the total depth difference between the shallow and deep ends?
4. How would you determine the average depth of the pool given these measurements?
5. If the water level is 2 feet below the pool's edge, what would be the water depth at the deep end?

**Tip:** When dealing with depth in pools or other situations, remember that deeper measurements are more negative when starting from a negative value.

Learn how to calculate the depth difference in a swimming pool with a detailed step-by-step solution. This problem involves arithmetic calculations with negative numbers. Suitable for students in Grades 4-6.

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