document.write( "Question 1066815: tommy is twice is old as his younger sister. the sum of the siblings ages is 21. what equation can be used to determine the age of tommys younger sister? \n" ); document.write( "
Algebra.Com's Answer #682029 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "tommy is twice is old as his younger sister. the sum of the siblings ages is 21. what equation can be used to determine the age of tommys younger sister? \n" ); document.write( "------ \n" ); document.write( "t = 2s \n" ); document.write( "t + s = 21 \n" ); document.write( "------ \n" ); document.write( "Equation:: \n" ); document.write( "(t/2) + s = 21 \n" ); document.write( "--------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |