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Mohamad Al Mdfaa · Answer 1 · 2015-10-19T16:13:06+0000

60 divided by 40 whichs means 15 marks is 1% so 1.5 time 100 is 150 marks and to check this you can find 10 percent of 150 which is 15 and times it by four to get 40% which ultimately is 60 marks

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