document.write( "Question 1106037: The average age of consisting doctors and lawyers is 40 . If the doctors average age is 35 and the lawyers average age is 50 , find the ratio of the number of doctors to the number of lawyers
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Algebra.Com's Answer #720958 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+a+\"$ = the number of doctors
\n" ); document.write( "Let $\"+b+\"$ = the number of lawyers
\n" ); document.write( "Let $\"+c+\"$ = the total of the ages of the doctors
\n" ); document.write( "Let $\"+d+\"$ = the total of the ages of the lawyers
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\n" ); document.write( "(1) $\"+35+=+c+%2F+a+\"$
\n" ); document.write( "(1) $\"+c+=+35a+\"$
\n" ); document.write( "and
\n" ); document.write( "(2) $\"+50+=+d+%2F+b+\"$
\n" ); document.write( "(2) $\"+d+=+50b+\"$
\n" ); document.write( " $\"+c+%2B+d+\"$ = the total of ages of doctors and lawyers
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\n" ); document.write( "(3) $\"+40+=+%28+c+%2B+d+%29+%2F+%28+a+%2B+b+%29+\"$
\n" ); document.write( "(3) $\"+40+=+%28+35a+%2B+50b+%29+%2F+%28+a+%2B+b+%29+\"$
\n" ); document.write( "(3) $\"+40%2A%28+a+%2B+b+%29+=+35a+%2B+50b+\"$
\n" ); document.write( "(3) $\"+40a+%2B+40b+=+35a+%2B+50b+\"$
\n" ); document.write( "(3) $\"+5a+=+10b+\"$
\n" ); document.write( "(3) $\"+a%2Fb+=+10%2F5+\"$
\n" ); document.write( "(3) $\"+a%2Fb+=+2%2F1+\"$
\n" ); document.write( "The ratio is 2 to 1
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