document.write( "Question 927456: the ratio of boys to girls is 4:5
\n" ); document.write( "there are 2250 pupils in the school
\n" ); document.write( "How many are girls?
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Algebra.Com's Answer #562966 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
b/g = 4/5
\n" ); document.write( "b = (4/5)g
\n" ); document.write( "b + g = 2250
\n" ); document.write( "(4/5)g + g = 2250
\n" ); document.write( "(4/5)g + (5/5)g = 2250
\n" ); document.write( "(9/5)g = 2250
\n" ); document.write( "g = 2250*(5/9)
\n" ); document.write( "g = 1250
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