document.write( "Question 3178: A family spend 1/3 of their income on rent, 1/4 on food, and 1/5 on clothes. If they are left with £39 each week find:
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document.write( "- total fraction spent on food, rent, clothes
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document.write( "- the fraction which is left
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document.write( "- their weekly income\r
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document.write( " Please can you help because my answer does not match with the answer in text book Thanks \n" );
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Algebra.Com's Answer #1360 by xcentaur(357)![]() ![]() ![]() You can put this solution on YOUR website! Let total income be x\r \n" ); document.write( "\n" ); document.write( "Then income spent on:\r \n" ); document.write( "\n" ); document.write( ":rent=x/3 \n" ); document.write( ":food=x/4 \n" ); document.write( ":clothes:x/5\r \n" ); document.write( "\n" ); document.write( "Total fraction spent \n" ); document.write( "= \n" ); document.write( "= \n" ); document.write( "=47/60x\r \n" ); document.write( "\n" ); document.write( "Therefore,fraction which is left \n" ); document.write( "= 13/60x which is equal to 39 pounds\r \n" ); document.write( "\n" ); document.write( "Therefore, \n" ); document.write( "13x=39*60 \n" ); document.write( "x=(39*60)/13 \n" ); document.write( "x=3*60 \n" ); document.write( " \n" ); document.write( "x=180 pounds (total income) \n" ); document.write( "
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