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Home > CC3 > Chapter 8 > Lesson 8.2.3 > Problem 8-99

8-99.
  1. The table below shows the amount of money Francis had in his bank account each day since he started his new job. 8-99 HW eTool (Desmos). Homework Help ✎

    Days at
    New Job

    Money in
    Account

    0

    $27

    1

    $70

    2

    $113

    3

    $156

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

    2. When will Francis have more than $1000 in his account?

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

y = 43x + 27

Set y = 1000 and then solve the equation for x.
y = 43x + 27

Use the eTool below to help complete the problem.
Click the link at right for the full version of the eTool: CC3 8-99 HW eTool