document.write( "Question 1066759: A teacher has two students, one three times as old as the other. The teacher is five times as old as the older student, and in 5 years she will be five times as old as her younger student. Find the teacher’s present age. \n" ); document.write( "
Algebra.Com's Answer #681983 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
t Teacher
\n" ); document.write( "x Younger student
\n" ); document.write( "y Older student\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"system%28y%2Fx=3%2Ct=5y%2Ct%2B5=5%28x%2B5%29%29\"\r
\n" ); document.write( "\n" ); document.write( "Several ways to go. Note that the question is , find the teacher's age.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%2Fy=1%2F3\"
\n" ); document.write( "\"x=y%2F3\"
\n" ); document.write( "-
\n" ); document.write( "\"t%2B5=5%28y%2F3%2B5%29\"
\n" ); document.write( "\"t%2B5=5y%2F3%2B25\"
\n" ); document.write( "\"t=5y%2F3%2B20\"
\n" ); document.write( "-
\n" ); document.write( "\"5y=5y%2F3%2B20\"
\n" ); document.write( "\"15y=5y%2B60\"
\n" ); document.write( "\"10y=60\"
\n" ); document.write( "\"highlight%28y=6%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Found y but again, question is to find t.
\n" ); document.write( "\"t=5y\"
\n" ); document.write( "\"t=5%2A6\"
\n" ); document.write( "\"highlight%28t=30%29\"
\n" ); document.write( "Teacher is 30 years old.
\n" ); document.write( "
\n" );