Problema Solution
Twenty-five years ago, Rollie was five more than one-third as old as Rex was. Today, Rex is twenty-six less than two time the of Rollie. How old is Rex?
Answer provided by our tutors
Let
x = Roll's present age
2x - 26 = Rex's present age
25 years ago, Rollie was 5 more than 1/3 as old as Rex was:
x - 25 = 5 + (1/3)(2x - 26 - 25)
........
click here to see the equation solved for x
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x = 39 years
2*39 - 26 = 78 - 26 = 52
Rex is 52 years old now.