document.write( "Question 1149348: Josh is 36 years old. Josh was twice as old as Justin was when Josh was as old as Justin is now. How old is Justin now? \n" ); document.write( "
Algebra.Com's Answer #770691 by ankor@dixie-net.com(22740)\"\" \"About 
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Josh is 36 years old.
\n" ); document.write( " Josh was twice as old as Justin was when Josh was as old as Justin is now.
\n" ); document.write( " How old is Justin now?
\n" ); document.write( ":
\n" ); document.write( "let j = Justin's present age
\n" ); document.write( "let d = 36 - j, the difference in their ages
\n" ); document.write( ":
\n" ); document.write( "\"Josh was twice as old as Justin was when Josh was as old as Justin is now.\"
\n" ); document.write( "36 - d = 2(j - d)
\n" ); document.write( "36 - d = 2j - 2d
\n" ); document.write( "36 = 2j - 2d + d
\n" ); document.write( "36 = 2j - d
\n" ); document.write( "replace d with 36 - j
\n" ); document.write( "36 = 2j - (36 - j)
\n" ); document.write( "36 = 2j - 36 + j
\n" ); document.write( "36 + 36 = 2j + j
\n" ); document.write( "72 = 3j
\n" ); document.write( "j = 72/3
\n" ); document.write( "j = 24 yrs is Justin's age
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