document.write( "Question 1153772:
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document.write( "Jordan is 3 years less than twice the age of his cousin. If their ages total 48, how old is Jordan?\r
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document.write( "a.
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document.write( "12\r
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document.write( "b.
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document.write( "31\r
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document.write( "c.
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document.write( "17\r
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document.write( "d.
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document.write( "15
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document.write( "
Algebra.Com's Answer #776059 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The algebraic solutions from the other tutors are fine; and you should know how to do them. \n" ); document.write( "But if an algebraic solution is not required, then solving the problem using logical reasoning and simple arithmetic can be good mental exercise. \n" ); document.write( "(1) Add 3 to Jordan's age so that he is EXACTLY twice as old as his cousin; that makes the sum of their ages 48+3 = 51. \n" ); document.write( "(2) Divide the total 51 into two parts in the ratio 2:1 to get 34 and 17. \n" ); document.write( "(3) Subtract off the \"extra\" 3 years you added to Jordan's age to get their real ages of 31 and 17. \n" ); document.write( " \n" ); document.write( " |