Question

An electrician charges a one-time fee of $75 plus $25 for each hour of service. If h is the number of hours and t is the total amount billed to the customer, then the variables are related by the equation t = 25h + 75.

Which variable is the independent variable?



A.T


B.
There is no relationship between the variables.


C.H

Answer 1

If you would like to know which variable is the independent variable, you can do this using the following steps:

t = 25h + 75
h ... the number of hours ... independent variable
t ... the total amount billed to the customer ... dependent variable

The correct result would be C. h.