document.write( "Question 257737: Two numbers are in the ratio 5:2. One half of their sum is 10 1/2. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #189604 by richwmiller(17219)\"\" \"About 
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a/b=5/2
\n" ); document.write( ".5(a+b)=10.5
\n" ); document.write( "a+b=21
\n" ); document.write( "a=21-b
\n" ); document.write( "(21-b)/b=5/2
\n" ); document.write( "42-2b=5b
\n" ); document.write( "42=7b
\n" ); document.write( "b=6
\n" ); document.write( "a=21-6=15
\n" ); document.write( "a=15
\n" ); document.write( "check
\n" ); document.write( "15/6=5/2
\n" ); document.write( ".5(21)=10.5
\n" ); document.write( "10.5=10.5
\n" ); document.write( " ok
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