Asked by odette
In a class,156 study science and maths. If they passed at least one subject and twice as many passed science and maths and 75 passed both subjects, how many passed in maths only
Answers
Answered by
R_scott
s = 2 m
s + m - 75 = 156
substituting ... 2 m + m - 75 = 156
s + m - 75 = 156
substituting ... 2 m + m - 75 = 156
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