If the number of hours needed for the job is hours then he can choose either to be paid for the job or by hour. If he works for more than hours then he should choose the option of getting paid by the hour.
Step-by-step explanation:
He should choose hourly wage if the number of hours are of a value so that the total paid is more than $50.
Let's take that number of hours worked is
If,
=
= hours
Then he can choose either to be paid for the job or by hour. If he works for more than hours then he should choose the option of getting paid by the hour.
Since in this problem, we are dealing with a balloon we can now say that the container or the shape we are dealing with is a sphere. The volume of a sphere is hence the volume is directly proportional to the radius. The volume increase by a factor of