document.write( "Question 752597: Gerry is 3 years older than Carlo. Carlo is 3 years older than Tina. How old is Tina if the sum of all their ages is 21? \n" ); document.write( "
Algebra.Com's Answer #457880 by carealotqueen(2)![]() ![]() You can put this solution on YOUR website! Tina--> (6+x)+(3+x)+x=21 \n" ); document.write( "-------> 3x+9=21 \n" ); document.write( "-------> 3x=12 \n" ); document.write( "-------> x=4 \n" ); document.write( "Tina is 4 years old \n" ); document.write( " |