document.write( "Question 991904: The sum of 3 numbers is 91. The second number is twice as big as the first. The third number is twice as big as the second. What are the values? \n" ); document.write( "
Algebra.Com's Answer #611617 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "F=first number; S=second number=2F; T=third number=2S=4F
\n" ); document.write( ".
\n" ); document.write( "F+S+T=91
\n" ); document.write( "F+2F+4F=91
\n" ); document.write( "7F=91
\n" ); document.write( "F=13
\n" ); document.write( "S=2F=2(13)=26
\n" ); document.write( "T=4F=4(13)=52
\n" ); document.write( ".
\n" ); document.write( "ANSWER: The three numbers are 13, 26, and 52
\n" ); document.write( ".
\n" ); document.write( "CHECK:
\n" ); document.write( "F+S+T=91
\n" ); document.write( "13+26+52=91
\n" ); document.write( "91=91
\n" ); document.write( "
\n" );