jasjas12
26.08.2019 •
Mathematics
80 miles equals how many kilometers?
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Ответ:
Ответ:
B
Let total number of students be x.
Ratio of boys to girls= 5:7
=5x:7x
According to question,
5x =95
Or x=95/5
x=19
Now,
Number of girls =7x
=7*19
=133