Let's assume
a babysitting job where the amount you earn as 'A'
number of hours you work as 't'
now, we are given
You have a babysitting job where the amount you earn is directly proportional to the number of hours you work.
so, we get
where
k is constant of proportionality
now, we can solve for k
so, the constant of variation represents in this situation is the amount you earn per hour............Answer