document.write( "Question 1030666: roy is 15 and his mother is 45. in how many years will roy's mother be twice as old \n" ); document.write( "

Algebra.Com's Answer #645526 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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roy is 15 and his mother is 45.
\n" ); document.write( " in how many years will roy's mother be twice as old
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\n" ); document.write( "let y = no. years for this to be true
\n" ); document.write( "y + 45 = 2(y+15)
\n" ); document.write( "y + 45 = 2y + 30
\n" ); document.write( "45 - 30 = 2y - y
\n" ); document.write( "15 = y
\n" ); document.write( ";
\n" ); document.write( "In 15 years mom will be twice as old as Roy
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check
\n" ); document.write( "45 + 15 = 60
\n" ); document.write( "15 + 15 = 30 \n" ); document.write( "

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