document.write( "Question 133541: The ratio of boys to girls inthe auditorium was 4 to 5. If there were 40 boys in the auditorium, how many girls were there? (hint: in this problem, the ratio 4 to 5 means that for every 4 boys there were 5 girls.) \n" ); document.write( "
Algebra.Com's Answer #97714 by checkley71(8403)\"\" \"About 
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4:5=40:x cross multiply.
\n" ); document.write( "200=4x
\n" ); document.write( "4x=200
\n" ); document.write( "x=200/4
\n" ); document.write( "x=50 girls.
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