Assuming that you purchased:
3 packs of pencils at $5 each;
2 packs of paper at $10.00 each; and
5 packs of pens at $15.00.
Your weighted average is $11.
To calculate this, we find the total amount of money spent by following these steps:
Find the amount of money spent.
Find the total amount of items purchased.
Divide the answer in Step 1 by the answer in Step 2.
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