Problema Solution
Hagrid is four times as old as Harry. Ten years from now, Harry's age would be two-fifths the age of Hagrid's then. How old is Hagrid now.
Answer provided by our tutors
let Hary present age = x years and Hagrid present age = 4x years
x+ 10 = 2/5(4x+10)
5x+50 = 8x+20
-3x = -30
x = 10
present age of Hagrid = 4*10 = 40years