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Algebra 1

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A long-distance phone call costs $0.55 for the first minute and $0.09 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $7.

Wouldn't that just be

9t + 55 ≤ 700

where t is time in whole minutes?

  • Algebra 1 -

    Yes that is correct.

    You moved the decimal over twice for all of the numbers, and the equation would be 9t + 55= ? (=? would be < 700)
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