Question 823192
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Hi,
Enrique is 61 and his niece Zoe is 7. 
In how many years {{{highlight_green(x)}}} will Zoe be one fourth Enrique's age?
  {{{ (7+x) = (1/4)(61 + x)}}} 
      4(7+x) =  (61 + x)
      28 + 4x = 61 + x
        3x = 33
         x = {{{green(11yrs)}}}
CHECKING our answer***
    18 = (1/4)72