document.write( "Question 395635: A boy said I have as many brothers as i have sisters.Then his sister said i have double the number of brothers as i have sistes.Find the number of brothers and sisters. \n" ); document.write( "
Algebra.Com's Answer #280771 by jrfrunner(365)\"\" \"About 
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let B=total boys, G=total girls
\n" ); document.write( "boy's criteria: equal number of brothers and sisters
\n" ); document.write( "girl's criteria: twice as many brothers as sisters
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\n" ); document.write( "if B=1 and G=1, this does not satify the conditions
\n" ); document.write( "if B=2 and G=1 satisfies boy's criteria but not sister's
\n" ); document.write( "if B=2 and G=2 does not satify the boy's criteria but satisfies sister's
\n" ); document.write( "if B=3 and G=2 satisfies boy's criteria but not sister's
\n" ); document.write( "if B=3 and G=3 niether condition satisfied
\n" ); document.write( "if B=4 and G=2 neither condition satisfied
\n" ); document.write( "if B=4 and G=3 satisfies both conditions
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