Question:
Plumbing Service charges $35 per hour plus a $25 travel charge for a service call. How much would a job that takes 3 hours cost?
Solution:
Because Plumbing Service charges $35 per hour, then for 3 hours the Service charges:
$35 x 3
Now, additional to the above, we have that Plumbing Service charges a $25 travel charge for a service call. Then the total cost is:
($35 x 3) + $25
that is:
$105 + $25 = $130
Then, we can conclude that the total cost is
$130