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Fofino [41]
2 years ago
14

Teresa is a software engineer. Her base salary is $2400 and she makes $80 more for every copy of “Math is Fun”. Her total pay ,

P, (in dollars), after selling c copies is given by the following function.
P(c) = 2400 + 80c

1. What is Teresa’s total pay if she sells 22 copies?

2. If Teresa’s total pay is $5040, how many copies did she sell?
Mathematics
1 answer:
Paladinen [302]2 years ago
6 0

Answer:

1.) Teresa’s total pay if she sells 22 copies is $4160.

2.) If Teresa’s total pay is $5040, then she sold 33 copies.

Step-by-step explanation:

<h3><u>Given</u>;</h3>
  • Teresa is a software engineer. Her base salary is $2400.
  • she makes $80 more for every copy of “Math is Fun”.
  • P(c) = 2400 + 80c
<h3><u>To </u><u>Find</u>;</h3>
  • Teresa’s total pay if she sells 22 copies
  • If Teresa’s total pay is $5040, how many copies did she sell?
<h3>1.)</h3>

Teresa’s total pay if she sells 22 copies

P(c) = 2400 + 80c

P(22) = 2400 + 80(22) = 1760

P(22) = 2400 + 1760

P(22) = $4160

Thus, Teresa’s total pay if she sells 22 copies is $4160.

<h3>2.)</h3>

If Teresa’s total pay is $5040, how many copies did she sell?

Here,

Total pay – Teresa's salary = total pay after selling copies

$5040 – $2400 = $2640

Now, we know that she paid $80 for making every copy.

So,

2640 ÷ 80 = 33

Thus, If Teresa’s total pay is $5040, then she sold 33 copies.

 

<u>-TheUnknownScientist</u><u> 72</u>

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