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2 February, 09:49

James spent $ (2y2 + 6). He bought notebooks that each cost $ (y2 - 1).

The expression to find the number of notebooks James bought is.

If y = 3, James bought notebooks.

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  1. 2 February, 09:58
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    First, divide the total cost by the unit cost:

    (2y^2 + 6) / (y^2 - 1)

    Then, if y = 3, just plug in and compute.

    I know you can do that!
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