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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. $8…

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. $8…
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9 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.

asked
User GillyD
by
8.7k points

1 Answer

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

8+9=17/2=8.5
Rounding up means it is $9
answered
User Ncoghlan
by
8.6k points
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