document.write( "Question 348805: jim and mary think of a number. marys number is 8 more than jim's number. the product of the two numbers is 65. what is jims number \n" ); document.write( "
Algebra.Com's Answer #249371 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! Aparantly the problem is beyond what you have learned in class. \n" ); document.write( "************************************************************* \n" ); document.write( "M=the number Mary thinks about. \n" ); document.write( "J=the number Jim thinks about. \n" ); document.write( "Mary's number equals Jim's number plus 8. \n" ); document.write( "M=J+8 \n" ); document.write( "The product of the two numbers is 65 \n" ); document.write( "MJ=65 Replace M in this equation with (J+8) & solve for J. \n" ); document.write( "(J+8)J=65 \n" ); document.write( "J^2+8J-65=0 \n" ); document.write( "(J+13)(J-5)=0 \n" ); document.write( "J+13=0 \n" ); document.write( "J=-13 ANS. \n" ); document.write( "M=-13+8=-5 ANS. \n" ); document.write( "J-5=0 \n" ); document.write( "J=5 ANS. \n" ); document.write( "M=5+8=13 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "-13*-5=65 \n" ); document.write( "65=65 \n" ); document.write( "13*5=65 \n" ); document.write( "65=65 \n" ); document.write( " |