document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=828054>Question 828054</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.A box contains 100 coins partly 5 rupee and 2 rupee,the total value of which is Rs.245.Find the numbers of both 2 & 5 rupee coins.<BR>\n" );
document.write( "2.The sides of a triangle are in the ratio 2:3:4 and its perimeter is 36 cm.Find the greatest side of the traiangle in cm.<BR>\n" );
document.write( "3.A man bought some milk and added 1 lit. water with every 6 lit. of milk and sold the mixture at the cost price of pure milk.Find his percentage of profit. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #498988 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=498988\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Set t = number of 2 rupee coins<BR>\n" );
document.write( "  f = number of 5 rupee coins\r<BR>\n" );
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document.write( "The number of 2 rupee coins + the number of 5 rupee coins = 100<BR>\n" );
document.write( "t + f = 100\r<BR>\n" );
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document.write( "(2 rupees)(no of two rupee coins) + (5 rupees)(no of 5 rupee coins) = 245 rupees<BR>\n" );
document.write( "2t + 5f = 245\r<BR>\n" );
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document.write( "Solve the first equation for t<BR>\n" );
document.write( "t + f = 100<BR>\n" );
document.write( "subtract f from each side<BR>\n" );
document.write( " t = 100 - f<BR>\n" );
document.write( "substitute (100 - f) for t in  2t + 5f = 245<BR>\n" );
document.write( "2(100 - f) + 5f = 245<BR>\n" );
document.write( "200 -2f + 5f = 245<BR>\n" );
document.write( "200 +3f = 245<BR>\n" );
document.write( "subtract 200 from each side<BR>\n" );
document.write( "3f = 45<BR>\n" );
document.write( " f = 15<BR>\n" );
document.write( "since t = 100 - f , <BR>\n" );
document.write( "t = 100 - 15 = 85<BR>\n" );
document.write( "Check in 2t + 5f = 245<BR>\n" );
document.write( "2(85) + 5(15) ?= 245<BR>\n" );
document.write( "170 + 75 ?= 245<BR>\n" );
document.write( "245 = 245, so the values check out.\r<BR>\n" );
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document.write( "2.The sides of a triangle are in the ratio 2:3:4 and its perimeter is 36 cm.Find the greatest side of the traiangle in cm.\r<BR>\n" );
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document.write( "Find the fraction of the perimeter for each side.<BR>\n" );
document.write( "With side ratios of 2:3:4, add 2+3+4 = 9<BR>\n" );
document.write( "The fractions of the perimeter are 2/9,3/9,4/9<BR>\n" );
document.write( "The side lengths of the triangle with perimeter 36 are<BR>\n" );
document.write( "(2/9)36 , (3/9)36, (4/9)36<BR>\n" );
document.write( "72/9 , 108/9 , 144/9<BR>\n" );
document.write( "8,12,16\r<BR>\n" );
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document.write( "3.A man bought some milk and added 1 lit. water with every 6 lit. of milk and sold the mixture at the cost price of pure milk.Find his percentage of profit.\r<BR>\n" );
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document.write( "The mixture will have a total of 7 liters.<BR>\n" );
document.write( "The one liter added represents the profit.<BR>\n" );
document.write( "Profit is 1/7 = 14.28% </SPAN>\n" );
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