document.write( "Question 388859: There are two brothers and two sisters. in 10 years they will total 100 in their ages. How much will the total be in 7 years?
\n" ); document.write( "88 ??
\n" ); document.write( "

Algebra.Com's Answer #275264 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
10/100=7/x
\n" ); document.write( "10x=700
\n" ); document.write( "x=70
\n" ); document.write( "
\n" );