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Mr. Kanja,Miss Kanene and Mrs Nyaga have to mark a form three math contest for 160 students. They take 5mins, 4mins, and 12mins respectively to mark a script. If they all start to mark at 9.00 am non-stop, what is the shortest time they can take to complete the marking?
asked
Jul 30, 2021
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Mathematics Form 1
by
anony mous
ratios
proportions
least common multiple
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