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In a class of 40 students, 27 like calculus and 25 like chemistry. How many like both subjects?
in Math by cadet engr (222 points)
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1 Answer

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Let x= number of students who like both subjects

(27-x) + x + (25-x) = 40
27 + 25 - x = 40

x= 12
by cadet engr (222 points)
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