document.write( "Question 1014300: Mr Jones is now 28 years older than Robbie. Nine years ago, he was five times as old as Robbie was then. How old is each? \n" ); document.write( "
Algebra.Com's Answer #802248 by CubeyThePenguin(3113)\"\" \"About 
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Mr. Jones = J
\n" ); document.write( "Robbie = R\r
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\n" ); document.write( "\n" ); document.write( "J = R + 28
\n" ); document.write( "J - 9 = 5(R - 9)\r
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\n" ); document.write( "\n" ); document.write( "Plug in the first equation into the second.\r
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\n" ); document.write( "\n" ); document.write( "R + 19 = 5R - 45
\n" ); document.write( "64 = 4R\r
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\n" ); document.write( "\n" ); document.write( "Robbie's age = R = 16
\n" ); document.write( "Mr. Jones' age = J = 44
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