document.write( "Question 793247: A father is 5 times as old as his son. In 10 years he will be three times as old as his son. Form an equation and solve it to find his father's age
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Algebra.Com's Answer #480313 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! A father is 5 times as old as his son. \n" ); document.write( "F = 5S \n" ); document.write( "In 10 years he will be three times as old as his son. \n" ); document.write( "F + 10 = 3(S + 10) \n" ); document.write( "replace F with %S from top equation. \n" ); document.write( "5S + 10 = 3(S + 10) \n" ); document.write( "5S + 10 = 3S + 30 \n" ); document.write( "Collect like terms \n" ); document.write( "5S - 3S = 30 - 10 \n" ); document.write( "2S = 20 \n" ); document.write( "S = 10 \n" ); document.write( "Currently; \n" ); document.write( "Son is 10 years old \n" ); document.write( "Father is 50 years old. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |