document.write( "Question 1169493: I'm having trouble with this age question:\r
\n" );
document.write( "\n" );
document.write( "My age increased by my daughter's age is 48 years. In 15 years, her age increased by four times mine will equal 234 years. How old are we now?\r
\n" );
document.write( "\n" );
document.write( "The equations I have are:
\n" );
document.write( "let \"x\" be my age today
\n" );
document.write( "let \"y\" be my daughter's age today\r
\n" );
document.write( "\n" );
document.write( "x+y=48
\n" );
document.write( "(y+15) + (4x+15)=234\r
\n" );
document.write( "\n" );
document.write( "I just can't seem to get it. \n" );
document.write( "
Algebra.Com's Answer #794255 by ikleyn(52788)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The right system of equations is\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( " x + y = 48\r\n" ); document.write( "\r\n" ); document.write( " 4*(x+15) + (y+15) = 234.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Notice that (x+15) is YOUR age in 15 years; \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " (y+15) is the daughter's age in 15 years.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The rest is clear (= SELF-evident).\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "--------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "As my gift to you (your BONUS), consider this bunch of lessons on age word problems \r \n" ); document.write( "\n" ); document.write( " - Age problems and their solutions\r \n" ); document.write( "\n" ); document.write( " - HOW TO algebreze and to solve age problems? \r \n" ); document.write( "\n" ); document.write( " - A fresh formulation of a traditional age problem\r \n" ); document.write( "\n" ); document.write( " - Really intricate age word problems\r \n" ); document.write( "\n" ); document.write( " - Selected age word problems from the archive\r \n" ); document.write( "\n" ); document.write( " - Age problems for mental solution \r \n" ); document.write( "\n" ); document.write( " - Age problem for three participants \r \n" ); document.write( "\n" ); document.write( " - Miscellaneous age problems \r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Read them and become an expert in solving age problems.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r \n" ); document.write( "\n" ); document.write( " - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Age word problems\".\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I \n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |