Mathematics, 25.11.2020 21:40 docholiday

With a two-year agreement, Sarah can add up to 4 lines for $9.99 each. Her first monthly bill totals 89.96. Sarah did not exceed the "anytime minutes" limit and did not engage in "text messaging". How many lines did she add to her plan? Write an equation, and then solve.

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With a two-year agreement, Sarah can add up to 4 lines for $9.99 each. Her first monthly bill totals...

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