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4 February, 07:15

A store sells black ink pens for $5 and red ink pens for $4. John wishes to buy 20 pens but doesn't wish to spend more than $92. Writing r for the number of red pens, form an inequality to show this information

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  1. 4 February, 07:32
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    Step-by-step explanation:

    Let b represent the number of black

    ink pens that John wants to buy.

    Let r represent the number of red

    ink pens that John wants to buy.

    John wishes to buy 20 pens. This would be expressed as

    b + r = 20

    The store sells black ink pens for $5 and red ink pens for $4. John doesn't wish to spend more than $92. The inequality to show this information would be expressed as

    5b + 4r ≤ 92
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