116k views
3 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

User Richard N
by
7.9k points

1 Answer

6 votes
the average will $9 since $8 will be the average for 10 shirts.
User Egor Nepomnyaschih
by
8.6k points