15-year old students
a) How many 15-year old
students took part in
the survey?
(1...
Mathematics, 11.04.2021 21:10 rachael382
15-year old students
a) How many 15-year old
students took part in
the survey?
(1)
b) How many more 15-year
old students than 11-year
old students spent
between 35 and 45 mins
on social media?
(1)
Total marks: 2
10 20 30 40 50 60 70 80
Time (mins)
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