TITLE: Sales Revenue
# !b2 Problem:
A publishing house has found that in a certain city each of its
salespeople will sell approximately,

>; 
                                   2
                                  r            2
                          1/2000 ---- + 1/100 s  - s
                                  p

# units per month, at a price of p dollars/unit, where s denotes the total
number of salespeople employed and r is the amount of money spent each month
on local advertising. Express the total revenue R as a function of p,r and s.

!b3 Solution:
>;
                       /         2                \
                       |        r            2    |
                   R = |1/2000 ---- + 1/100 s  - s| p s - r
                       \        p                 /

# 

>