Abaker rents space in a commercial
kitchen for $210 per week. for each pie
he bakes, he spends $4 on materials. he
charges $7.50 per pie. the graph below
shows the baker's costs and revenues for
a week in which he sells p pies.
money (in dollars)
nul
p
v
0 20 40 60 80 100
pies sold
how many pies must he sell in a week in
order to break even?