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sleet_krkn [62]
3 years ago
6

There are 220 students in year 9.

Mathematics
1 answer:
olganol [36]3 years ago
8 0
20% of 220 is 44 people so if you divide 220 by 2 you have 110 of each then add 44 to one and subtract 44 from the other the answer to a is 154 and the answer to b is 66
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