Carlotta handpaints T-shirts and sells them to her friends. She uses the equations below to determine her costs and the amount o
f money she makes when she sells the shirts. Production Cost: c=28+3s, where c is the total cost and s is the number of shirts
Amount Made: a=10s , where a is the amount and s is the number of shirts
How many shirts must Carlotta sell to make a profit?
