1.) Because of road construction in one city, commuters were advised to plan their Monday morning commute to take 150% of their usual commuting time. Explain what this means.

2.) Why do we need to be sure we convert a percent to a decimal number before finding the tax, commission, or discount amount?

3.) Describe the simple interest formula in words.

4.)Since order doesn't matter with addition and multiplication, how can we use this to rearrange our work to make things easier? Provide an example.