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Issue of linear equality in 1 variable linear equation

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Could you please help me with this problem?:

Scenario: You have just graduated from college, and you have started your first big project at your new job. Your boss informs you that you are responsible for the Equations and Inequalities section of the project and for presenting your ideas to the team. Prepare for the meeting by discussing the following:

Part I: Provide a 1-variable linear equation of your own creation.
Part II: Using the same 1-variable linear equation that you created in Part I, change the linear equation to a linear inequality (Use either < or >). Explain the techniques, and show the steps used for manipulating the linear inequality.

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Solution Summary

This solution guides you to learn and analyze the linear equality problem in the single variable linear equation. Additionally, this solution explains the techniques used to come to the solutions.

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Part I:

My own question: What annual investment rate is needed so $1,500 will accumulate to $1,600 in one year?

1500(1 + r) = 1600 -> 1500 + 1500r = 1600 -> r = 100/1500 = ...

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