A plumber charges a visitation fee of $60 and $45 per hour for time worked. If h is the number of hours worked and t is the total charge for completed work, then the variables are related by the equation
t = 45h + 60.

Which variable is the independent variable?

A.
h

B.
t

C.
There is no relationship between the variables.

Question

A plumber charges a visitation fee of $60 and $45 per hour for time worked. If h is the number of hours worked and t is the total charge for completed work, then the variables are related by the equation 
t = 45h + 60. 
 
Which variable is the independent variable?
 
 A.
h
 
 B.
t
 
 C.
There is no relationship between the variables.

anonymous · Answer

h is the independent variable in this case since the value of t will depend on how many hours the plumber will work. Thus t depends on h