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Teresa is a software salesperson. Her base salary is $1700 and she makes $ 70 more for every copy of Math is Fun she sells. Her total pay, P (in dollars), after selling c copies is given by the following function.

P(c) = 70c +1700

Answer the following questions. (a) If Teresa's total pay is $3870, how many copies did she sell?


Sagot :

Answer:

31 copies

Step-by-step explanation:

70c+1700=3870

70c=2170

c=31

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