Cyril Dalibor age

Cyril was one-quarter the age of Dalibor 3 years ago. In how many years will Cyril be half as old, given that he is now one-third as old?

Final Answer:

x =  9

Step-by-step explanation:

(c−3) = (d−3)/4 c = d/3  (d/3−3)=(d−3)/4  d=27  c=d/3=27/3=9  (c+x) = (d+x)/2 2c+2x = d+x  x=d−2⋅ c=27−2⋅ 9=9

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