Evaluating expressions with variables word problems

You might need: Calculator

Problem

The price of a visit to the dentist is calculated according to the formula 50, plus, 100, n where n is the number of cavities the dentist finds.
On your last visit to the dentist, 2 cavities were found.
What was the cost of your visit?
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
Do 4 problems