(6/2) - 4 would be your answer
No, because it is not per second. You would have to simplify to per one second for it to be a unit rate. Hope it helps! :)
Answer:
its <u><em>C</em></u> <u><em>He should correct any mistakes in spelling and grammar</em></u>
Step-by-step explanation:
just did it on edg 2020 and got it right ;)
Hope this helps
First, add all of the working hours.
1

+ 2

+ 1

Since the denominators are different, make them all the same.
1

+ 2

+ 1

Add everything together.
4

+ 1

= 5

Then, simplify.
5

or 5.5
Multiply the time by the salary.
<span>5.5*10.5=
Doug earned $57.75</span>
This video might help you because it helped me https://www.khanacademy.org/math/algebra/one-variable-linear-equations/alg1-intro-equations/v/variab...