Problema Solution
Ryan stewart sells chocolate on the internet. His monthly profit, p, in dollars, can be estimated by p= 15n-300, where n is the number of dozens of chocolates he sells in a month.
a. graph p= 15n-300 for n is less or equal to 60.
b. from the graph, estimate his profit if he sells 40 dozen chocolates in a month.
c. how many dozens of chocolates must he sell in a month to break even.
Answer provided by our tutors
(a) We draw a line through the point (0,-300) and (20,0), n is less or equal to 60.
(b) When n = 40, p = 15*40 -300 = 300
So the profit is 300
(c)
To break even
15n - 300 = 0
So n =20
So 20 dozens of chocolates must he sell in a month to break even