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i need Help with this pls!

 

 

https://snag.gy/i5ANr3.jpg

 Sep 20, 2018
 #1
avatar+17746 
+1

Let A represent the total amount of money

      r represent the registration fee.

 

There were 124 new members. Since 50 had their initial registration fee waived, 74 paid the registration fee.

--->     Amount earned at registration:  A = 74·r

 

Assuming that no-one dropped out, 6 months later:

Let m represent the monthly fee

--->   Total amount earned for the first 6 months:  A  =  74·r + 124·m·6

 Sep 21, 2018

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