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To produce 10 shirts, the total cost is $80; to produce 11 shirts, the total cost is $99. The average total cost of the 11th shirt is equal to Group of answer choices $8. $9. $80. $99. $19.
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12 votes
12 votes
To produce 10 shirts, the total cost is $80; to produce 11 shirts, the total cost is $99. The average total cost of the 11th shirt is equal to Group of answer choices $8. $9. $80. $99. $19.

User Workerjoe
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1 Answer

17 votes
17 votes
80/10=8
99/11=9

8+9=17/2=8.5
Rounding up means it is $9
User Alondra
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