In a class of 40 students, 1/4 offer science subjects, 1/5 offer arts and the remaining offer commercial subjects. How many students offer: a) science subjects? b) commercial subjects?
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In a service. 1/4 of the people are men, 1/3 are women and the rest are children. If there are 50 children, how many a) people are there altogether? b) more women than men are there?
If and Find i) ii)
If and . Find the value of x for which . Also obtain an expression for ...