SOLUTION: Any help appreciated, thanks! A factory manager is working to write a schedule of hours for his 20 workers. Each individual works a 40 hour work week. This particular factory

Question 889214: Any help appreciated, thanks!
A factory manager is working to write a schedule of hours for his 20 workers.
Each individual works a 40 hour work week. This particular factory makes two products(calculators and Personal Digital Assistants). If each hour worked on building calculators earns the factory $10 and each hour worked on building PDAs earns the factory $15, howmany hours should be spent building calculators if the manager wants to earn a profit of $9000? What about $10000 or $20000? What should the factory manager decide if he wants to earn the maximum profit?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
workers each work hrs, so
hrs total
Let = hours worked on calculators
= hours worked on PDAs
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Let = total profit for a week

-----------------------------
(a)

and

-------------------
600 hrs should be spent working on calculators
200 hrs should be spent working on PDAs
-------------------
You can do the other two

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