document.write( "Question 1105316: Geoffrey is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years, Geoffrey will be three times as old as Alice. How old is Peter now? \n" ); document.write( "
Algebra.Com's Answer #720110 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Geoffrey is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years, Geoffrey will be three times as old as Alice. How old is Peter now? \n" ); document.write( "----- \n" ); document.write( "Equations: \n" ); document.write( "g = 2P \n" ); document.write( "P = A+5 \n" ); document.write( "g+5 = 3(A+5) \n" ); document.write( "-------- \n" ); document.write( "Substitute for \"g\" and \"A\" to get:: \n" ); document.write( "2P +5 = 3(P-5)+3*5 \n" ); document.write( "2P + 5 = 3P \n" ); document.write( "P = 5 yrs (Peters age now) \n" ); document.write( "----------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------- \n" ); document.write( " |