Seudónimo Seudónimo
  • 10-12-2018
  • Mathematics
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Can u help me? Well will u help me?

Can u help me Well will u help me class=

Respuesta :

MrBillDoesMath MrBillDoesMath
  • 10-12-2018

Hello from MrBillDoesMath

Answer:   12

Discussion

Let the number of aerobic classes be "n".

Then

"membership"        "aerobic" class

12  + 3n                 =  4n

Subtract 3n from each side:


12 + (3n - 3n) = 4n - 3n =n =>

12 = n


Thank you,

Mr. B

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