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Vedmedyk [2.9K]
4 years ago
11

A person purchased 5k + 2 items for a total cost of 35k 2 + 29k + 6. Find the average cost per item of this purchase.

Mathematics
1 answer:
olchik [2.2K]4 years ago
7 0

Answer:

\boxed{7k + 3}

Step-by-step explanation:

Average cost = total cost/number of items = (35k² + 29k + 6)/(5k + 2)

Perhaps the best way to solve this problem is to use long division.

          <u>              7k  + 3  </u>

5k + 2)35k² + 29k + 6

          <u>35k² +  14k</u>              

                       15k + 6

                       <u>15k + 6</u>

                                0

Thus,

\frac{35k^{2}+29k+ 6}{5k + 2} = 7k+3

The average cost per item is \boxed{7k+3}.

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