document.write( "Question 83278: my grandmother age has a units digit of three, and the aquare of the tens digits is her age reversed. ho old is my grandmother? \n" ); document.write( "
Algebra.Com's Answer #59793 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! my grandmother age has a units digit of three, and the aquare of the tens digits is her age reversed. how old is my grandmother? \n" ); document.write( "-------------- \n" ); document.write( "Assuming grandmother's age is a two digit number, it can be written \n" ); document.write( "as 10t+3 where t is the ten's digit. The reverse is 3*10 + t \n" ); document.write( "----------- \n" ); document.write( "EQUATION: \n" ); document.write( "t^2 = 3*10+t \n" ); document.write( "t^2-t-30=0 \n" ); document.write( "(t-6)(t+5)=0 \n" ); document.write( "t=6 \n" ); document.write( "------------ \n" ); document.write( "Grandma is 63 \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |