document.write( "Question 989927: Jake is 5 years older than john. jill is twice as old as john. jan is 5 years younger than john. the sum of all the ages is equal to 75. find their ages.
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Algebra.Com's Answer #610092 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "J=john's age; A=Jake's age=J+5; I=Jill's age=2J; \n" ); document.write( "N=Jan's age=J-5 \n" ); document.write( ". \n" ); document.write( "J+A+I+N=75 \n" ); document.write( "J+(J+5)+(2J)+(J-5)=75 \n" ); document.write( "5J=75 \n" ); document.write( "J=15 \n" ); document.write( "ANSWER 1: John is 15 years old. \n" ); document.write( "A=J+5=15+5=20 \n" ); document.write( "ANSWER 2: Jake is 20 years old. \n" ); document.write( "I=2J=2(15)=30 \n" ); document.write( "ANSWER 3: Jill is 30 years old. \n" ); document.write( "N=J-5=15-5=10 \n" ); document.write( "ANSWER 4: Jan is 10 years old.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |