document.write( "Question 34703: Translate to a proportion and solve.(round to the nearest hundreth if need)\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(1) what number is 15% of 135\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(2) 3 is what percent of 87?\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(3) 19.6 is 28% percent of what number?
\n" ); document.write( "

Algebra.Com's Answer #20972 by Cintchr(481)\"\" \"About 
You can put this solution on YOUR website!
Here is a good formula for ALL percentage problems like these:
\n" ); document.write( "\"+is%2Fof+=+percent%2F100+\"
\n" ); document.write( "Using this ... let's solve:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(1) what number is 15% of 135
\n" ); document.write( "\"+x%2F135+=+15%2F100+\"
\n" ); document.write( "Cross multiply ...
\n" ); document.write( "\"+100x+=+135%2815%29+\"
\n" ); document.write( "divide by 100
\n" ); document.write( "\"+x+=+%28135%2815%29%29%2F100+\"
\n" ); document.write( "Reduce and Multiply and divide
\n" ); document.write( "\"+x+=+%28135%283%29%29%2F20+\"
\n" ); document.write( "\"+x+=+%2827%283%29%29%2F4+\"
\n" ); document.write( "\"+x+=+81%2F4+\"
\n" ); document.write( "\"+x+=+20.25+\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(2) 3 is what percent of 87?
\n" ); document.write( "\"+3%2F87+=+x%2F100+\"
\n" ); document.write( "\"+87x+=+3%28100%29+\"
\n" ); document.write( "\"+x+=+%283%28100%29%29%2F87+\"
\n" ); document.write( "\"+x+=+300%2F87+\"
\n" ); document.write( "\"+x+=+3.45+rounded+\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(3) 19.6 is 28% percent of what number?
\n" ); document.write( "\"+19.6%2Fx+=+28%2F100+\"
\n" ); document.write( "\"+19.6%2Fx+=+7%2F25+\"
\n" ); document.write( "\"+7x+=+25%2819.6%29+\"
\n" ); document.write( "\"+x+=+%2825%2819.6%29%29%2F7+\"
\n" ); document.write( "\"+x+=+490%2F7+\"
\n" ); document.write( "\"+x+=+70+\"
\n" ); document.write( "
\n" );