16. ROI = Selling Price - (Item Cost + Selling Fees) / (Item Cost + Selling Fees)
TO COMPUTE FOR ROI / ITEM
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17. Remember the Order of Operations
Expressions in parenthesis
are treated as one number
and must be calculated first.
Multiplication and division
must be completed
before addition and subtraction.
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18. column B - (column C + column D) / (column C + column D) = ROI
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20. To create the formula, let’s calculate first the numbers in parenthesis.
column B - (column C + column D) / (column C + column D) = ROI
2.60 + 2.40
2.60 + 2.40
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