document.write( "Question 151344: rani father's age is 3 times old as rani.4 years ago ,he was 4 times older.how old is rani? \n" ); document.write( "
Algebra.Com's Answer #111289 by ankor@dixie-net.com(22740)\"\" \"About 
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rani father's age is 3 times old as rani.
\n" ); document.write( "f = 3r
\n" ); document.write( ":
\n" ); document.write( "4 years ago ,he was 4 times older.
\n" ); document.write( "f - 4 = 4(r-4)
\n" ); document.write( "f - 4 = 4r - 16
\n" ); document.write( ":
\n" ); document.write( "Replace f with 3r
\n" ); document.write( "3r - 4 = 4r - 16
\n" ); document.write( "-4 = 16 = 4r - 3r
\n" ); document.write( "r = 12
\n" ); document.write( ":
\n" ); document.write( "Check solution in the statement: (f = 36)
\n" ); document.write( "\"4 years ago ,he was 4 times older.
\n" ); document.write( "36 - 4 = 4(12 - 4)
\n" ); document.write( "32 - 4(8) \n" ); document.write( "
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