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Shalnov [3]
3 years ago
12

In a bank of 320 staffs, 120 speak French, 140 speak English, 170 speak Arabic, 50 speak both French and English, 35 speak both

English and Arabic, 40 speak both French and Arabic. Required ; (a) Determine the number of staffs who speak all the three​
Mathematics
1 answer:
VMariaS [17]3 years ago
8 0
I have no idea what the answer is
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