Evaluating expressions with variables word problems

Practice plugging in values to evaluate real-world algebraic expressions. These are introductory problems, so the expressions aren't too complicated.
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Lois and Clark own a company that sells wagons. The amount they pay each of their sales employees (in dollars) is given by the expression 12, h, plus, 30, w where h is the number of hours worked and w is the number of wagons sold.
What is the amount paid to an employee that works 6 hours and sells 3 wagons?
dollar sign
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4