anonymous
  • anonymous
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: 7.50h + 0.20s + 40 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 creditPart C: If Corinne gets a raise and begins earning $9 per hour, would the coefficient, variable, or constant in the equation change? Why? @AriPotta
Mathematics
chestercat
  • chestercat
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AriPotta
  • AriPotta
so for part b, we're just going to plug in the values. 7.50h + 0.20s + 40 7.50(25) + 0.20(300) + 40 = ?
anonymous
  • anonymous
7.50(25)=187.5 & 0.20(300)= 60
anonymous
  • anonymous
my answer came out to 289

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AriPotta
  • AriPotta
187.5 + 40 + 60 = ?
anonymous
  • anonymous
287.5
AriPotta
  • AriPotta
so that's your answer for part b
anonymous
  • anonymous
wow that was simple, okay thanks :) what about part C?
AriPotta
  • AriPotta
so $7.50 an hr is represented by 7.50h. if she begins making $9 an hr, what would it be represented as?
anonymous
  • anonymous
9h ?
AriPotta
  • AriPotta
yea, so what changed from 7.50h to 9h
anonymous
  • anonymous
the coefficient
AriPotta
  • AriPotta
yep.
anonymous
  • anonymous
thank you for your help! :)
AriPotta
  • AriPotta
no problemo~

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