document.write( "Question 894512: Justin is 57 years younger than Alma. 8 years ago, Alma's age was 4 times Justin's age. How old is Justin now? \n" ); document.write( "
Algebra.Com's Answer #542121 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Justin is 57 years younger than Alma. \n" ); document.write( "j = a - 57 \n" ); document.write( "or \n" ); document.write( "a = j + 57 \n" ); document.write( " 8 years ago, Alma's age was 4 times Justin's age. \n" ); document.write( "a - 8 = 4(j-8) \n" ); document.write( "a - 8 = 4j - 32 \n" ); document.write( "a = 4j - 32 + 8 \n" ); document.write( "a = 4j - 24 \n" ); document.write( " How old is Justin now? \n" ); document.write( "replace a with j + 57 \n" ); document.write( "j + 57 = 4j - 24 \n" ); document.write( "57 + 24 = 4j - j \n" ); document.write( "81 = 3j \n" ); document.write( "j = 81/3 \n" ); document.write( "j = 27 yrs is J's age now \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this, find A's age and check in the 2nd statement \n" ); document.write( "27 + 57 = 84 \n" ); document.write( "84 - 8 = 4(27-8) \n" ); document.write( "76 = 4 * 19\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |