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In a class 70% passed in mathematics and 80 % passed in English. Together 40% failed in maths and English in a class of 133 members. How many students passed in both the subjects

User Etheranger
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1 Answer

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For this specific problem, this would be the solution: = 0.7(133) + 0.8(133) - 2(0.4[133])
= 93 + 106 - 2(53)
= 199 - 106
= 93
This means 93 students passed in both the subjects. I am hoping that this answer has satisfied your query about and it will be able to help you.
User Alcsan
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