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- 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 A: Identify a coefficient, a variable, and a constant in this expression.
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.
Part C: If Corinne gets a raise and begins earning $9 per hour, would the coefficient, variable, or constant in the equation change? Why?

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- anonymous

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- MrNood

same as before.
do not ask for complete answers - I gave you hints - make an effort

- anonymous

how old r u

- MrNood

old enough to know that making an effort is
a) the best way to learn
b) more satisfying than begging for an answer

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- anonymous

u want a 10 year old to answer a question like that i have never seen anything like this im in 5th grade

- anonymous

just dont answer my questions please

- MrNood

why? because I ask you to contribute some thought to th esolution?

- MrNood

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 'multiplier' such as a commission rate or an hourly rate
which parts of the equation reflect those things?

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