4. "Ehren worked 36 hours last week andearned a total of $500."
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- For calculate a angle we use Protactor .
- First place the protractor at 0 and starting point of angle .
- Now count the angle where it meets .
As a practical equation, this one doesn't make much sense -- why would the profit per person have a term proportional to the number of people? Let's just go with it.
That's the answer to the first part.
35/x represents a portion of the profit that's 35/x per person, or a constant $35 per tour.