document.write( "Question 1147256: Hi\r
\n" ); document.write( "\n" ); document.write( "jack and jill had some money in the ratio of 5:2. They jointly paid for a restaurant bill respectively in the ratio of 2:1. If jill spent 20 percent of her money and jack had 126 dollars left, how much was the bill.\r
\n" ); document.write( "\n" ); document.write( "thanks\r
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Algebra.Com's Answer #768574 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Let \"+a+\" = amount of Jack's money
\n" ); document.write( "Let \"+b+\" = amount of Jill's money
\n" ); document.write( "--------------------------------------------
\n" ); document.write( "\"+a%2Fb+=+5%2F2+\"
\n" ); document.write( "\"+a+=+%285%2F2%29%2Ab+\"
\n" ); document.write( "\"+%28+a+-+126+%29+%2F+.2b+=+2%2F1+\"
\n" ); document.write( "------------------------------------
\n" ); document.write( "by substitution:
\n" ); document.write( "\"+.2b+%2F+%28+%285%2F2%29%2Ab+-+126+%29+=+2+\"
\n" ); document.write( "\"+.2b+=+5b+-+252+\"
\n" ); document.write( "\"+4.8b+=+252+\"
\n" ); document.write( "\"+b+=+52.5%0D%0Aand%0D%0A%7B%7B%7B+a+=+2.5%2A52.5+\"
\n" ); document.write( "\"+a+=+131.25+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "\"+.2b+=+.2%2A52.5+\"
\n" ); document.write( "\"+.2b+=+10.5+\"
\n" ); document.write( "and
\n" ); document.write( "\"+a+-+126+=+131.25+-+126+\"
\n" ); document.write( "\"+a+-+126+=+5.25+\"
\n" ); document.write( "-------------------------------
\n" ); document.write( "\"+10.5+%2B+5.25+=+15.75+\"
\n" ); document.write( "The bill was $15.75
\n" ); document.write( "-------------------------------
\n" ); document.write( "check:
\n" ); document.write( "\"+a%2Fb+=+5%2F2+\"
\n" ); document.write( "\"+131.25+%2F+52.5+=+2.5+\"
\n" ); document.write( "\"+2.5+=+2.5+\"
\n" ); document.write( "OK
\n" ); document.write( "check the math & get a 2nd opinion if needed\r
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