document.write( "Question 127900: Sherman's age and his grandpa's age together equal 72. His grandpa's age is 7 times greater than his age. How old are they. (in fourth grade)
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Algebra.Com's Answer #93676 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Sherman's age and his grandpa's age together equal 72. His grandpa's age is 7 times greater than his age. How old are they. \n" ); document.write( "------------- \n" ); document.write( "Let Sherman be x yrs. old \n" ); document.write( "Then grandpa is 7*x = 7x yrs. old \n" ); document.write( "------------------------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "Sherman's age + Grandpa's age = 72 \n" ); document.write( "x + 7x = 72 \n" ); document.write( "8x = 72 \n" ); document.write( "Divide both sides by 8 to get : \n" ); document.write( "x = 9 yrs. (Sherman's age) \n" ); document.write( "7x = 63 yrs. (Grandpa's age) \n" ); document.write( "------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |