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secondary 3 | E Maths
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please help with c
Date Posted: 4 years ago
Views: 285
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done
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clear
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For part c, since both of them take 20 minutes to complete, we multiply the sum of the fraction of work completed by each of them by 20 and this is equad to the whole job, hence, the right hand side of the equation has 1. I think part c is where the student could be stuck. Good luck.
Date Posted:
4 years ago
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