7.50h + 0.20s + 40
Part A: Identify a coefficient, a variable, and a constant in this expression. (3 points)
Part B: If Corinne works for 25 hours and sells $300 in magazines, how much does she earn for the week? Show your work to receive full credit. (4 points)
Part C: If Corinne gets a raise and begins earning $9 per hour, would the coefficient, variable, or constant in the equation change? Why? (3 points)
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I think you need to post the first part of the question
earnings = 7.5 * hiours worked (h) + .20 * sales (s) + 40
Corinne has a job selling magazines. She earns $7.50 per hour plus 20% of the total amount of her sales. She also gets an allowance of $40 per week for gas. She knows her weekly earnings can be shown using the following expression:
so what things can be considered variables
hint: does she work a fixed number of hours? does she always sell the same amount?
a coefficient is a fixed 'constant such as a commission rate or an hourly rate
which parts of the equation reflect those things?