document.write( "Question 188968: All students at the Academy of Music and Math take both music and math. The probability that a student has an A in math is 1/6. The probability that a student has an A in music is 5/12. The probability that a student with an A in math has an a in music plus the probability that a student with an A in music has an a in math is 7/10.
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Algebra.Com's Answer #141721 by Mathtut(3670)\"\" \"About 
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P(ma and mu)/p(mu)+P(ma and mu)/p(ma)=7/10
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\n" ); document.write( "P(ma and mu)/(5/12)+P(ma and mu)/(1/6)=7/10
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\n" ); document.write( "12*P(ma and mu)/5 + 6*P(ma and mu)=7/10
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\n" ); document.write( "12*P(ma and mu)/5 +30 *P(ma and mu)=7/10
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\n" ); document.write( "42*P(ma and mu)=35/10
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\n" ); document.write( "P(ma and mu)=35/420=.0833= 1/12
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\n" ); document.write( "or just p(ma and mu)=1/6*5/12=5/60=1/12
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