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galiszewskis
galiszewskis galiszewskis
  • 04-12-2014
  • Mathematics
Answered

To become a member of an ice skating rink, you have to pay a $30 membership fee.The cost of admission to the rink is $5 for members, and $7 dollars for nonmembers. After how many visits to the rink is the total cost for members, including for membership fee, the same total cost for nonmembers?

Verified Answer :

Knowledgestorm
Knowledgestorm Knowledgestorm
  • 04-12-2014

30 = 5(m) + 7(n)

5(a) + 30 = 7(a)

(a) is the number of visits!

15 = (a) 

5(15) = 75 + 30 = 7(15) = $105

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