Detecting...<span>
</span>Your answer would be:
10 n = C
Finding the total would simply be multiplying the cost of the tickets by number of students.
Answer:
y is also doubled.
Step-by-step explanation:
Direct proportionality between
and
means that

or
,
which indicates a linear relationship between
and
because they are related by a constant.
Therefore, if x is doubled, then the new value of
is 



The new value of
is 2 times the previous; therefore,
is doubled as
is doubled.