document.write( "Question 939249: Juan is 5 years older than his sister juanita. How old is each if the product of their age is twice the square of juanitas age? \n" ); document.write( "
Algebra.Com's Answer #572348 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! let j = Juan's age \n" ); document.write( "let s = sister's age \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement \n" ); document.write( ": \n" ); document.write( "Juan is 5 years older than his sister juanita. \n" ); document.write( "j = s + 5 \n" ); document.write( "How old is each if the product of their age is twice the square of juanitas age? \n" ); document.write( "j*s = 2s^2 \n" ); document.write( "Replace j with (s+5)\ \n" ); document.write( "s(s+5) = 2s^2 \n" ); document.write( "divide both sides by s \n" ); document.write( "s + 5 = 2s \n" ); document.write( "5 = 2s - s \n" ); document.write( "5 = s \n" ); document.write( ": \n" ); document.write( "Sister is 5 yrs old then obviously, J is 10 yr old \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "See if that works in the statement \n" ); document.write( "\"the product of their age is twice the square of Juanita age?\" \n" ); document.write( "10*5 = 2(5^2) \n" ); document.write( "50 = 2(25) \n" ); document.write( " |