A plumber charges a flat fee of $ 79 to visit a home and examine a clogged drain. The plumber charges an additional $29 per hour spent fixing the drain. The total cost, C (in dollars), for fixing a drain that takes h hours is given by the following
C=29h+79
Answer the following questions.
(a) If the plumber charged a total of $398, how many hours did he spend fixing
the drain?

(b) What is the total cost for fixing a drain that takes 5 hours?

correct answer:

a + bi

answer: i think it's a

step-by-step explanation:

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4