document.write( "Question 1003526: When I was at your age now, you were only 5 years old. When you become as old as I am now, I will be 71 years old.\" How old are A and B now, respectively? \n" ); document.write( "
Algebra.Com's Answer #620218 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! When I was at your age now, you were only 5 years old. \n" ); document.write( " When you become as old as I am now, I will be 71 years old.\" \n" ); document.write( " How old are A and B now, respectively? \n" ); document.write( ": \n" ); document.write( "let d = the difference in their ages \n" ); document.write( "d = A - B \n" ); document.write( "\"When I was at your age now, you were only 5 years old. \n" ); document.write( "B - d = 5 \n" ); document.write( "B = d + 5 \n" ); document.write( "\"When you become as old as I am now, I will be 71 years old.\" \n" ); document.write( "A + d = 71 \n" ); document.write( "A = 71 - d \n" ); document.write( ": \n" ); document.write( "d = A - B \n" ); document.write( "Replace A with (71-d); replace with (d+5) \n" ); document.write( "d = (71-d) - (d+5) \n" ); document.write( "d = 71 - d - d - 5 \n" ); document.write( "d = 66 - 2d \n" ); document.write( "d + 2d = 66 \n" ); document.write( "3d = 66 \n" ); document.write( "d = 22 yrs is the difference in their ages \n" ); document.write( "Find A \n" ); document.write( "A = 71 - d \n" ); document.write( "A = 71 - 22 \n" ); document.write( "A = 49 yrs is A's age \n" ); document.write( "Find B \n" ); document.write( "B = d + 5 \n" ); document.write( "B = 22 + 5 \n" ); document.write( "B = 27 yrs is B's age\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |