ANSWER
Paul and Matt will take

to install the floor working together.
EXPLANATION
First, calculate Paul's rate, which is

Next, calculate Matt's rate, which is,

Let us assume that, Paul and Matt took

to do the work together.
Then, the rate of working together is,

Now, add the individual rates and equate to the rate of working together to form an equation that will help us solve for x.

Simplify the left hand side


We reciprocate both sides to get (You could have also done cross multiplication).

Answer:
44 cents
Step-by-step explanation:
a unit price is how much something costs per one
if it costs 4 dollars for 9, we can do 4/9 to find the unit price
4/9=.4444444....
this to the nearest hundredth is .44 or 44 cents
Answer:
Both A and B
Step-by-step explanation:
For functions you are just trying to make sure all the x's are different.
So let's look at A: The x's there are all different so it is a function
Now let's look at B: The x's there are all different so it is a function.
Both A and B
Answer:
19 out of 25
Step-by-step explanation:
Add 30+46= 76
Divide 76/100= 19/25