document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=100798>Question 100798</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0201793911/algebrahomeworkh>mathematical ideas</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Please help, I can't seem to get these problems set up right.1.) A medicated first aid spray on the market is 78% alcohol by volume. If the manufacturer has 50 liters of the spray containing 70% alcohol , how much pure alcohol should be added so that the final mixture is the required 78% alcohol? (hint pure alochol is 100%) 2.) There is a box containing 44 coins, consisting of pennies, dimes, and quarters. The number of pennies is equal to the number of dimes, and the total value is $4.37. How many of each denomination of coins are in the box?<BR>\n" );
document.write( "Thanks in anvance for your help!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #73427 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=73427\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.) 50(70%)+x(100%)=(50+x)(75%) ... 35+x=37.5+.75x ... .25x=7.5 ... x=30\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "2.) let x=pennies or dimes ... 1x+10x+25(44-2x)=437 ... 1100-39x=437 ... 663=39x ... x=17 ... 44-2x=10 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );