Answer by JulietG(1812)   (Show Source): You can put this solution on YOUR website!
 Let R be Jordan

Let J be Jack

Here's what we know:

R = 2/3J - 1 (Jordan Is one one year younger than 2/3 The age of Jack.)

J = 30

.

Plug in the value to the equation

R = (2/3*30)-1

R = 20 - 1

R = 19

.

We can check this by putting it into the original equation:

Jordan (19) is one year younger than 2/3 of Jack (2/3*30).

19 = 20 - 1

Success! 

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