document.write( "Question 1144751: the question is like this...
\n" ); document.write( "7/10 of the pupils in a sports camp like badminton. 5/6 of the remining pupils like soccer. the rest of them are divided equally into 2 groups. one group likes basketball, while the other group likes volleyball.
\n" ); document.write( "a. what fraction if the total number of pupils in the sports camp like vollyball..?
\n" ); document.write( "b. if there are 520 pupils in the sports camp, how many pupis in the sports camp like basketball...?
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Algebra.Com's Answer #765921 by rothauserc(4718)\"\" \"About 
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7/10 of pupils like badmitton, that leaves 3/10 to be divided up
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\n" ); document.write( "3/10 * 5/6 = 15/60 = 1/4, 1/4 like soccer
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\n" ); document.write( "3/10 - 1/4 = 6/20 - 5/20 = 1/20, (1/20)/2 = 1/40, 1/40 like basketball and 1/40 like volleyball
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\n" ); document.write( "7/10 like badminton, 1/4 like soccer, 1/40 like basketball, 1/40 like volleyball
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\n" ); document.write( "Note that 7/10 + 1/4 + 1/40 + 1/40 = 28/40 + 10/40 + 1/40 + 1/40 = 40/40 = 1
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\n" ); document.write( "a. 1/40
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\n" ); document.write( "b. 520 * 1/40 = 13 pupils like basketball
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