document.write( "Question 1139645: The ratio of Seth’s height to Jack’s height is 3:4. If Jack is 15 inches taller than Seth, what is Seth’s height? \n" ); document.write( "

Algebra.Com's Answer #760134 by josmiceli(19441) $\"\"$ $\"About$

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$\"+Let+Seth%27s+height+=+x+\"$
\n" ); document.write( " $\"+x+%2B+15+\"$ = Jack's height
\n" ); document.write( "---------------------------------
\n" ); document.write( " $\"+3%2F4+=+x%2F%28+x%2B15+%29+\"$
\n" ); document.write( " $\"+3%2A%28+x%2B15+%29+=+4x+\"$
\n" ); document.write( " $\"+3x+%2B+45+=+4x+\"$
\n" ); document.write( " $\"+x+=+45+\"$
\n" ); document.write( " $\"+x+%2B+15+=+60+\"$
\n" ); document.write( "Seth is 45 inches tall
\n" ); document.write( "---------------------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+3%2F4+=+45%2F60+\"$
\n" ); document.write( " $\"+3%2F4+=+%28+15%2F15+%29%2A%28+3%2F4+%29+\"$
\n" ); document.write( "OK \n" ); document.write( "

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