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svetlana [45]
3 years ago
8

Please help with 6a, how do you calculate the greater percentage of students who prefer juice?

Mathematics
1 answer:
MakcuM [25]3 years ago
3 0
The method is
(the students prefer juice/the total number of students)*100%

for grade7:
[(11+13+20)/(12+19+11+13+20+5)]*100%
=(44/80)*100%
=55%
For grade8:
[(13+27+4)/(20+12+13+27+4+8)]*100%
=(44/84)*100%
=52.38%
55%>52.38%
Therefore the answer is grade 7
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