document.write( "Question 1147372: J-za is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years, J-za will be three times as old as Alice. How old is Peter? \n" ); document.write( "

Algebra.Com's Answer #768693 by ikleyn(52787) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "            At the end of his post, @josgarithmetic assumes about his solution/answer \"Possible mistake, or Peter is aged 0.\"\r
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\n" ); document.write( "\n" ); document.write( "            I confirm:   Yes, it is a mistake.   There is no doubt - as usual. Just N3 wrong solution for today.\r
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\n" ); document.write( "\n" ); document.write( "            So, I came to provide a correct solution and correct answer.\r
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document.write( "J-za, 2p\r\n" );
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document.write( "Peter, p\r\n" );
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document.write( "Alice, a\r\n" );
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document.write( "The description:\r\n" );
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document.write( "From the first equation, express  a = p-5  and substitute it into the second equation.  You will get\r\n" );
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document.write( "2p+5 = 3(p-5+5)\r\n" );
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document.write( "2p + 5 = 3p\r\n" );
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document.write( "5 = 3p - 2p\r\n" );
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document.write( "5 = p\r\n" );
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document.write( "ANSWER.  Peter is 5 years old.\r\n" );
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\n" ); document.write( "\n" ); document.write( "After my notice, @josgarithmetic successfully re-wrote my answer.\r
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