Mia sells T-shirts from a booth at a market. She pays $30 to rent the booth. Each T-shirt costs her $1.50, and she sells them for $7.50 each.

Question

Her goal is to make $200 after she pays for
the booth and the T-shirts.
What is the minimum number of T-shirts
Mia must sell to reach her goal?

Answer 1

$6 profit for each sale; overall profit is 6n-30 so solve 6n - 30 ≥ 200