Posted by alex on Thursday, July 3, 2014 at 8:35pm.
A sports memorabilia store makes $6 profit on each football it sells and $5.50 profit on each baseball it sells. In a typical month, it sells between 35 and 45 footballs and between 40 and 55 baseballs. The store has no more than 80 footballs and baseballs in stock during the month. What is the maximum profit the store can make from selling footballs and baseballs in a month?

Algebra  Steve, Friday, July 4, 2014 at 5:01am
write down the data. If there are x footballs and y baseballs, then we have
p = 6x + 5.5y
35 <= x <= 45
40 <= y <= 55
x+y <= 80
we want to maximize p. Using your favorite linear optimization calculator, you find that
x=40
y=50
profit = 460

Algebra  Steve, Friday, July 4, 2014 at 5:01am
dang typo: y=40

Algebra  Butt, Thursday, October 29, 2015 at 5:31pm
69
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