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01-11-2022
Mathematics

Answered

Khalid charges $10 for a one-year subscription to his online newsletter. Khalid currently has 600 subscribers and he estimates that for each $1 decrease in the subscription price, he would gain 100 new subscribers. What subscription price will maximize Khalid’s 2. income? If he charges this price, how much income should Khalid expect?

Could you try doing it by writing a quadratic equation? Thanks:)

Answer :

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