document.write( "Question 316518: Separate 100 into two parts so that one part is 3 times the other. \n" ); document.write( "

Algebra.Com's Answer #226427 by Fombitz(32388) $\"\"$ $\"About$

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Let the two parts be A and B.
\n" ); document.write( "1. $\"A%2BB=100\"$
\n" ); document.write( "2. $\"A=3B\"$
\n" ); document.write( "Use eq. 2 in eq. 1,
\n" ); document.write( " $\"3B%2BB=100\"$
\n" ); document.write( " $\"4B=100\"$
\n" ); document.write( " $\"highlight%28B=25%29\"$
\n" ); document.write( "Then from eq. 2,
\n" ); document.write( " $\"A=3%2825%29\"$
\n" ); document.write( " $\"highlight%28+A=75%29\"$ \n" ); document.write( "

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