The problem gives the info. p=40 and x=52balloons. p=20 and x=62 balloons. I have to write and equation of the line for the demand using p=mx+b. I know I have to find the slope in order to do this.But have no idea how to do that with this info. Any suggestions. I think it starts 40=mx?+52 Help/

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asked by Terry
  1. you have two data sets.


    subtract equation 2 from 1

    now you have m.

    to solve for b, put that m into either equation, and solve for b.

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