SOLUTION: Cadbury 9 chocolate bar costs 12.00 per piece. However, if you buy more than 20 pieces, they will be marked down to a price of 10.00 per piece. Use a piecewise function to represe

Question 1170977: Cadbury 9 chocolate bar costs 12.00 per piece. However, if you buy more than 20 pieces, they will be marked down to a price of 10.00 per piece. Use a piecewise function to represent the cost in terms of number of chocolate bars bought.
Answer by ikleyn(53763) (Show Source): You can put this solution on YOUR website!
.

As the problem is worded, printed, posted and presented, it is UNCLEAR,

if the discounted price of $10.00 per piece is applied to the entire purchase
or to its part, which is over of 20 pieces, ONLY.

Please clarify.

It is a typical and standard mistake of unprofessional writers/(problem composers).

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