Problema Solution
The average (mean) hourly cost of an online research service is the total monthly cost divided by the number of hours of access time. If the cost of subscribing to the service is $6 per month plus $1.50 per hour of access time, what is the equation for the average hourly cost?
Answer provided by our tutors
Let 'x' represent the number of hours of access time.
The total month cost for x hours is: 6 + 1.5x
The equation for the average hourly cost is: (6 + 1.5x)/x = 6/x + 1.5