document.write( "Question 765257: Hi, I really need some help with this question.\r
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document.write( "A town's population ratio of males : females is 49:51. If the town has a current population of 17,600, estimate the increase in males and females in 10 years time if the population is expected to increase by 30%.\r
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document.write( "This is Ratio of a Quantity Question.\r
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document.write( "Thanks
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Algebra.Com's Answer #466032 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A town's population ratio of males : females is 49:51. If the town has a current population of 17,600, estimate the increase in males and females in 10 years time if the population is expected to increase by 30%. \n" ); document.write( "----- \n" ); document.write( "Equation: \n" ); document.write( "49x + 51x = 17,600 where 49x is the # of males and 51x the # of females \n" ); document.write( "----------------- \n" ); document.write( "100x = 17,500 \n" ); document.write( "x = 175 \n" ); document.write( "---- \n" ); document.write( "# of males is 49*175 = 8575 \n" ); document.write( "# of females is 51*175 = 8925 \n" ); document.write( "---------------- \n" ); document.write( "New Population: \n" ); document.write( "1.3*17,600 = 22880 \n" ); document.write( "49x+51x = 22880 \n" ); document.write( "100x = 22880 \n" ); document.write( "x = 228.8 \n" ); document.write( "--- \n" ); document.write( "# of males will be 49*228.8 = 11211 when rounded down \n" ); document.write( "Increase = 11211-8575 = 2636 \n" ); document.write( "---- \n" ); document.write( "# of females will be 51*228.8 = 11669 when rounded up \n" ); document.write( "Increase = 11669-8925 = 2744 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |