document.write( "Question 445649: need help Bobbys grandfather is 6 years older than 7 times bobbys age.the difference in their ages is 72years.how old is bobby and his grandfather \n" ); document.write( "
Algebra.Com's Answer #306952 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Bobbys grandfather is 6 years older than 7 times bobbys age.the difference in their ages is 72years.how old is bobby and his grandfather \n" ); document.write( "-------------------- \n" ); document.write( "Equations: \n" ); document.write( "G = 7B+6 \n" ); document.write( "G - B = 72 \n" ); document.write( "------------------ \n" ); document.write( "Substitute for \"G\" and solve for \"B\": \n" ); document.write( "7B+6 - B = 72 \n" ); document.write( "--- \n" ); document.write( "6B = 66 \n" ); document.write( "--- \n" ); document.write( "B = 11 yrs old (Bobby's age now) \n" ); document.write( "---- \n" ); document.write( "Solve for \"G\": \n" ); document.write( "G = 7B+6 \n" ); document.write( "G = 7*11+6 = 77+6 = 83 yrs old (Grandpa's age now) \n" ); document.write( "====================================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " |