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The equation d = 22.5n + 27.5 represents the amount of money, in dollars, that Kathryn earns for each sale she makes. The variable n represents the number of items sold, and the variable d represents the total amount of money earned.
What is the number of items Kathryn must sell in order to earn $500?




A)10


B)17


C)21


D)23

Respuesta :

taniahellis64

Answer:i think its 21

Step-by-step explanation:

22.5 x 21=472.5 then u have to add 27.5 so 472.5 + 27.5=500

Step-by-step explanation:
The answer is C)21
You subtract 500-27.5 and dived by 22.5 and get 21

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