Translate and solve: 72 greater than $\mathrm{r}$ is less than -432 .
Give your answer in interval notation.
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Answer

Final Answer: $\boxed{(-\infty, -504)}$

Steps

Step 1 ：Translate and solve: 72 greater than r is less than -432. This can be written as 72 + r < -432.

Step 2 ：Subtract 72 from both sides of the inequality to isolate r. This gives r < -504.

Step 3 ：The inequality r < -504 means that all values of r that are less than -504 satisfy the inequality.

Step 4 ：In interval notation, this is written as (-∞, -504).

Step 5 ：Final Answer: $\boxed{(-\infty, -504)}$