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21 December, 23:44

The cost of a calculator is $2.50 less than five times the cost of a notebook. If Jordan purchases one calculator and one notebook, the total cost is $20. Find the cost of the calculator.

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  1. 22 December, 00:03
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    Note book is $20

    calculator is $2.50 less than five times the cost of a notebook, then:

    5 * $20 - $2.50 = $100 - $2.50 = $97.50

    calculator: $97.50

    notebook: $20

    Total cost: $97.50 + $20 = $117.50

    answer: total cost of one calculator and one notebook: $117.50
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