Age Problem 3

1. Juans age is now two third of what it will be 20 years from now. How old is he now?

Solution:

Let x be his age now
x+20 be his age 20 years from now

condition:

Juans age now is two third his age 20 years from now. so we get

so getting x we get

x = 40

in here Juans' age then is 40 years old