document.write( "Question 25794: The sum of Nora's age and her grandmother's age is 71. Four times Nora's age is 6 less than her grandmother's age. Find their ages. I've tried:
\n" );
document.write( " N=Nora g=grandmother
\n" );
document.write( " N+g=71
\n" );
document.write( " 4N=g-6
\n" );
document.write( " ?
\n" );
document.write( "PLEASE HELP!!!!! \n" );
document.write( "
Algebra.Com's Answer #13878 by Paul(988)![]() ![]() ![]() You can put this solution on YOUR website! Nora's age = x \n" ); document.write( "Grandma's age = y \n" ); document.write( "Now x+y=71 Solve for y \n" ); document.write( "y=71-x \n" ); document.write( "Four times nora's aage = 4x \n" ); document.write( "6 less than grandma's age = y-6 \n" ); document.write( "4x=y-6 (subsitute) \n" ); document.write( "4x=(71-x)-6 \n" ); document.write( "4x=65-x \n" ); document.write( "5x=65 \n" ); document.write( "x=13 \n" ); document.write( "y=71-13 \n" ); document.write( "y=58\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, nora is 13 years old and her grandma is 58 years old. \n" ); document.write( "Paul. \n" ); document.write( " |