SOLUTION: April is going to the bakery to purchase donuts and cinnamon rolls for the office personnel. She must purchase at least 30 items. She has collected only $30, so total cost must be

Question 1148318: April is going to the bakery to purchase donuts and cinnamon rolls for the office personnel. She must purchase at least 30 items. She has collected only $30, so total cost must be no more than $30. If d represents donuts that cost $0.75 each and r represents cinnamon rolls that cost $1.25 each, which system of inequalities can be used to represent the region for the number of donuts and cinnamon rolls April could purchase?

Answer by ikleyn(52905) (Show Source): You can put this solution on YOUR website!
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The system of inequalities you are asking for is


        d +     r <= 30     (1)      (counting items)

    0.75d + 1.25r <= 30     (2)      (counting total cost in dollars)

Answered, solved and completed.

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