document.write( "Question 372482: Manuel Anselmo is ten times older than his son, Andrew. In 20 years, Manuel's age will be 4 more than twice Andrew's age. How old was he when Andrew was born? \n" ); document.write( "
Algebra.Com's Answer #265307 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Andrew = x \n" ); document.write( "father = 10x \n" ); document.write( ".. \n" ); document.write( "after 20 years \n" ); document.write( "-------------- \n" ); document.write( "son x+20 \n" ); document.write( "father 10x+20 \n" ); document.write( ".. \n" ); document.write( "10x+20 = 2(x+20)+4 \n" ); document.write( "10x+20=2x+40+4 \n" ); document.write( "10x-2x=40-20+4 \n" ); document.write( "8x=24 \n" ); document.write( "/8 \n" ); document.write( "x= 3 andrew's age now \n" ); document.write( "father's age = 3x = 30 \n" ); document.write( ".. \n" ); document.write( "3 years ago when andrew was born father was 30-3= 27 years. \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |