Question

a plumber charges a base fee of $55 for a service call plus $35 per hour for each hour worked during the service call the relationship between the total price of the service called and the number of hours worked

Answer 1

If you want to turn this into an equation, use the equation y = mx + b
m = slope or rate of change
b = y-intercept, or your starting value

y = 35x + 55