Problema Solution
A manufacture of headphones knows that the weekly revenue produced by selling "x" headphones is given by the equation R=1,300p-100p^2, where "p" is the price of each set of headphones. What price should she charge for each set of headphones if she wants her weekly revenue to be at least $4,000?
Answer provided by our tutors
1300p - 100p^2 >= 4000
and p>=0
by solving the inequality we find
5 <= p <= 8
click here to see the step by step solution of the inequality
she should charge between $5 and 8$ for the headphones.