Age of Perseus

Algebra Level 2

Perseus had lived one-fourth of his life as a boy, one-fifth as a youth, one- third as a man and has spent thirteen years in his dotage. How old is Perseus ?


The answer is 60.

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Aryan Gaikwad
Feb 28, 2015

Let Perseus be x x years old.

Therefore,

x ( 1 4 x + 1 5 x + 1 3 x ) = 13 13 60 x = 13 x = 60 x-(\frac { 1 }{ 4 } x+\frac { 1 }{ 5 } x+\frac { 1 }{ 3 } x)=13\\ \frac { 13 }{ 60 } x=13\\ x=60

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...