In an examination 80% passed in math and 70% passed in french. If 72% failed in both. What % of students passed in both.
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Step-by-step exA)500 ; 325 is students passed in both subjects, x is the percentage of students passed in both subjects
total=100%; passed students=100-15(failed students)=85; 85 is the passed students so
passed students in both subjects x= 80+70-85=65; now x=65;
65% of total students=325; total students=325*100/65=500planation:
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