document.write( "Question 982974: Sarah invited the same number of boys and girls to a party. Everyone who was invited came, and six additional girls showed up. The ratio of boys to girls was 5:6. How many girls showed up?\r
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document.write( "a. 6
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document.write( "b. 30
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document.write( "c. 36
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document.write( "d. 66 \n" );
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Algebra.Com's Answer #603782 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Write an equation for each statement \n" ); document.write( ": \n" ); document.write( "Sarah invited the same number of boys and girls to a party. \n" ); document.write( "b = g \n" ); document.write( " Everyone who was invited came, and six additional girls showed up. \n" ); document.write( " The ratio of boys to girls was 5:6. \n" ); document.write( " \n" ); document.write( "b = g therefore \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( "6g = 5(g+6) \n" ); document.write( "6g = 5g + 30 \n" ); document.write( "6g - 5g = 30 \n" ); document.write( "g = 30 girls invited \n" ); document.write( ": \n" ); document.write( " How many girls showed up? 36 girls \n" ); document.write( " |