document.write( "Question 839225: Two numbers are in the ratio 7:8 and their sum is 105. Find the number
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Algebra.Com's Answer #505610 by Fombitz(32388)\"\" \"About 
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\"A%2FB=7%2F8\"
\n" ); document.write( "1.\"8A=7B\"
\n" ); document.write( "2.\"A%2BB=105\"
\n" ); document.write( "\"8A%2B8B=840\"
\n" ); document.write( "Substituting from eq. 1,
\n" ); document.write( "\"7B%2B8B=840\"
\n" ); document.write( "\"15B=840\"
\n" ); document.write( "\"B=56\"
\n" ); document.write( "Then from eq. 2,
\n" ); document.write( "\"A=105-56\"
\n" ); document.write( "\"A=49\"
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