document.write( "Question 521502: The ancient one is 40 years older than the youngster. 10 years agos, the age of the ancient one was 22 years greater than seven times the age of youngster then. How old are both of them today? \n" ); document.write( "
Algebra.Com's Answer #346503 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "Let \n" ); document.write( "Present age of ancient DISABLED_event_one= a \n" ); document.write( "Present age of youngste = b\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The ancient one is 40 years older than the youngster \n" ); document.write( "a=b+40..........(1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "10 years ago, \n" ); document.write( "age of ancient one was = a-10 \n" ); document.write( "age of youngste was = b-10 \n" ); document.write( "Then,the age of the ancient one was 22 years greater than seven times the age of youngster \n" ); document.write( "a-10=7(b-10)+22 \n" ); document.write( "a-10=7b-70+22 \n" ); document.write( "a=7b-70+22+10 \n" ); document.write( "a=7b-70+32 \n" ); document.write( "a=7b-38..........(2) \n" ); document.write( "Put the value of a from (1) to (2) \n" ); document.write( "b+40=7b-38 \n" ); document.write( "b-7b=-38-40 \n" ); document.write( "-6b=-78 \n" ); document.write( "-6b/-6=-78/-6 \n" ); document.write( "b=-78/-6 \n" ); document.write( "b=13 \n" ); document.write( "put the value of b (1) \n" ); document.write( "a=b+40 \n" ); document.write( "a=13 + 40 \n" ); document.write( "a=53 \n" ); document.write( "Present age of ancient DISABLED_event_one= a = 53 years old \n" ); document.write( "Present age of youngste = b = 13 years old \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |