dmperez1213
23.09.2020 •
Mathematics
A school survey reported that 16.6 % of students in Zoe's class ride their bikes to school. This percentage represents a repeating decimal. Write the decimal as a fraction. 16.6% is a repeating decimal
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Ответ:
A multiple of
5
Explanation:
Percent means "per hundred", expressing a proportion.
The proportion of boys in the class is:
40
100
=
2
⋅
20
5
⋅
20
=
2
5
In other words, for every
5
students in the class,
2
are boys and
3
are girls.
In order that the figure
40
%
be exact, the number of students must be a multiple of
5
.
Then the number of boys will be the corresponding multiple of
2
and the number of girls the corresponding multiple of
3
.
That is about as much as we can deduce from the question as given.