As a salesperson you will earn $600 per month plus a commission of 20% of sales. Find the minimum am

Discussion in 'Calculator Requests' started by math_celebrity, Sep 27, 2020.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    As a salesperson you will earn $600 per month plus a commission of 20% of sales. Find the minimum amount of sales you need to make in order to receive a total income of at least $1500 per month.

    Let the amount of sales be s. The phrase at least means greater than or equal to. Since 20% is 0.2, We want to know when:
    0.20s + 600 >= 1500

    We type this inequality into our search engine to solve for s and we get:
    s >= 4500
     

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