document.write( "Question 982420: 18 years ago father s 3 timez his son's age.now father s 2 timez his son's age .What s the present age of son ?
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Algebra.Com's Answer #603233 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "father s 2 times his son's age \n" ); document.write( "F = 2T \n" ); document.write( "18 years ago father s 3 times his son's age. \n" ); document.write( "F - 18 = 3(T - 18) \n" ); document.write( "Multiply out \n" ); document.write( "F - 18 = 3T - 54 \n" ); document.write( "Replace F with 2T from top equation \n" ); document.write( "2T - 18 = 3T - 54 \n" ); document.write( "Collect like terms \n" ); document.write( "2T - 3T = -54 + 18 \n" ); document.write( "-T = -36 \n" ); document.write( "T = 36 \n" ); document.write( "Current ages: \n" ); document.write( "Father = 72 yrs old \n" ); document.write( "Timez = 36 yrs old \n" ); document.write( "Hope this helps:-) \n" ); document.write( " \n" ); document.write( " |