document.write( "Question 718957: Title: Systematic Lists -Three to Make 245
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document.write( "The sum of three numbers is 245. The ratio of the first to the second is 2 to 3, and the ratio of the second to the third is 5 to 8. What is the second Number? \r
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document.write( "My work <----
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document.write( "__+0+___=245 2:3=2/3 \r
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document.write( "2:3 3 times 5=15 D=Digit The second Number is 75
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document.write( " 5:8\r
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document.write( " D1 D2 D3
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document.write( " 10+15+24=49
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document.write( " 20+30+48=98
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document.write( " 30+45+72=147
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document.write( " 40+60+96=196
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document.write( " 50+75+120=245\r
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document.write( "Please check for me\r
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Algebra.Com's Answer #441139 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let the numbers be x ,y,z\r \n" ); document.write( "\n" ); document.write( "x/y = 2/3\r \n" ); document.write( "\n" ); document.write( "x= 2y/3.....................(1)\r \n" ); document.write( "\n" ); document.write( "y/z = 5/8\r \n" ); document.write( "\n" ); document.write( "y= 5z/8>...................(2)\r \n" ); document.write( "\n" ); document.write( "plug y in (1)\r \n" ); document.write( "\n" ); document.write( "x= 2(5z/8) /3\r \n" ); document.write( "\n" ); document.write( "x= 10z/24\r \n" ); document.write( "\n" ); document.write( "x+y+z=245\r \n" ); document.write( "\n" ); document.write( "10z/24 +5z/8+z=245\r \n" ); document.write( "\n" ); document.write( "multiply equation by 24\r \n" ); document.write( "\n" ); document.write( "10z+15z+24z= 245*24\r \n" ); document.write( "\n" ); document.write( "49z=245*24\r \n" ); document.write( "\n" ); document.write( "z= 245*24/49\r \n" ); document.write( "\n" ); document.write( "z=5*24 \n" ); document.write( "z=120\r \n" ); document.write( "\n" ); document.write( "y/z= 5/8\r \n" ); document.write( "\n" ); document.write( "y/120=5/8 \n" ); document.write( "y=120*5/8\r \n" ); document.write( "\n" ); document.write( "y=15*5 \n" ); document.write( "y=75\r \n" ); document.write( "\n" ); document.write( "x/y = 2/3 \n" ); document.write( "x/75=2/3 \n" ); document.write( "x=75*2/3 \n" ); document.write( "x=50\r \n" ); document.write( "\n" ); document.write( "CHECK\r \n" ); document.write( "\n" ); document.write( "x/y = 50/75=2/3\r \n" ); document.write( "\n" ); document.write( "y/z=75/120 = 5/8\r \n" ); document.write( "\n" ); document.write( "50,75,120\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you are right \n" ); document.write( " |