document.write( "Question 184257: Zoron is 10 years older than his sister.In 3 years,he will be twice as old as she will be then. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #138266 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Zoron is 10 years older than his sister.In 3 years,he will be twice as old as she will be then. How old are they now?\r \n" ); document.write( "\n" ); document.write( "--------------------------------------------- \n" ); document.write( "NOW DATA \n" ); document.write( "Let his sister's age be \"x\" yrs old \n" ); document.write( "Then Zoron is \"x+10\" yrs old. \n" ); document.write( "---------------------------------------- \n" ); document.write( "3 yrs from now DATA: \n" ); document.write( "His sister will be \"x+3\" yrs old \n" ); document.write( "Zoron will be \"x+13\" yrs old \n" ); document.write( "------------------------------ \n" ); document.write( "Equations: \n" ); document.write( "x+13 = 2(x+3) \n" ); document.write( "x + 13 = 2x + 6 \n" ); document.write( "x = 7 (his sister is now 7 yrs old \n" ); document.write( "Zonron is now x+10 = 17 yrs old \n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |