Scott earns $25 an hour at his job as a landscaper. His boss Danny gives him $10 per day for lunch. Scott works thirty hours per week (He works Monday thru Friday, for six hours each day). An expression for determining how much Scott gets paid per week might be written as follows:

25 h + 10 d

Identify each part of this expression and explain what it represents, and which numbers should be substituted for which variables in order to calculate how much Scott earns per week. Do you think this is the best expression to use for this application? Why or why not?