document.write( "Question 444794: in 10 years' time the total ages for two brother and two sisters will be 100 what will the total be in 7 years' time \r
\n" ); document.write( "\n" ); document.write( "show how you worked it out please
\n" ); document.write( " its a Math problem
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Algebra.Com's Answer #306544 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
There are \"4\" of them. In \"7\" years, each one of them will be \"7\" years older.
\n" ); document.write( "Their total number of years will be increased by \"+4%2A7+=+28+\" years
\n" ); document.write( "\"+100+%2B+28+=+128+\"
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