Mathematics, 17.02.2020 05:16 tinasidell1972
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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A store sells black ink pens for $5 and red ink pens for $4. John wishes to buy 20 pens but doesn’t...
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