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The table below shows the amount of money Francis had in his bank account each day since he started his new job.  

Days at New Job

Money in Account

  1. Write a rule for the amount of money in Francis’s account. Let represent the number of days and represent the number of dollars in the account.

    Look at the chart and see if you can determine a pattern.

  2. When will Francis have more than in his account?

    Set and then solve the equation for .

Use the eTool below to help complete the problem.
Click the link at right for the full version of the eTool: