# need help on this problem!

#### kelly.quintana

##### New member
Joanne sells silk-screened T-shirts at community festivals and craft fairs. Her marginal cost to produce one T-shirt is
$2.50. Her total cost to produce 60 T-shirts is$210, and she sells them for $9 each. a. Find the linear cost function for Joanne's T-shirt production. b. How many T-shirts must she produce and sell in order to break even? c. How many T-shirts must she produce and sell to make a profit of$900?

#### Subhotosh Khan

##### Super Moderator
Staff member
Joanne sells silk-screened T-shirts at community festivals and craft fairs. Her marginal cost to produce one T-shirt is $2.50. Her total cost to produce 60 T-shirts is$210, and she sells them for $9 each. a. Find the linear cost function for Joanne's T-shirt production. b. How many T-shirts must she produce and sell in order to break even? c. How many T-shirts must she produce and sell to make a profit of$900?
First calculate the fixed cost of production from 'marginal cost to produce one T-shirt is $2.50' and " total cost to produce 60 T-shirts is$210".

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