document.write( "Question 657422: The boy : girl ratio in a school is 4:5, if there are 225 girls, how many students are in the school? \n" ); document.write( "
Algebra.Com's Answer #409859 by shweta(56)\"\" \"About 
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Boy:Girl= 4:5
\n" ); document.write( "Total number of students= x
\n" ); document.write( "Boys= (4/9)*x
\n" ); document.write( "Girls=(5/9)*x = 225
\n" ); document.write( " 5x/9 = 225
\n" ); document.write( " 5x = 225*9
\n" ); document.write( " x = (225*9)/5= 405
\n" ); document.write( "Total number of students= 405
\n" ); document.write( "
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