<PRE><B>Question 145542</B>
Price of magazine subscription last year = x
Percent increase = 5% of x = .05x
New Price = x+ .05x
Now subscription cost = 21 $
So,
x + .05x = 21
1.05x = 21
x = 21/1.05
  = 20

Ans. : The subscription cost $20 last year.

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