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28 June, 19:45

tim has $45. he buys pens that cost 2.75 each until he has only 12.00 left. if x represents the number of pens purchased ... write an equation to determine how many pens tim bought

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  1. 28 June, 20:04
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    The answer to the question
  2. 28 June, 20:14
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    Solve this equation: $45 - ($2.75/pen) x = $12. Simplifying, we get

    $33 = ($2.75) x, so that

    x = $33 / ($2.75) = 12.

    Tim's buying 12 pens leaves him with $12.
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