6 3/4= 6.75
80 mph * 6.75 hours = 540 miles total
Final answer: 540 miles
Hope this helps...feel free to ask for any help
For this case we have the following functions:

Multiplying both functions, we obtain an expression equivalent to (mn) (x).
We have then:

Substituting values we have:

Rewriting the expression we have:
Answer:
An expression that is equivalent to (mn) (x) is:

Answer:

Step-by-step explanation:
Eliminate the equal sides of each equation and combine.

Solve
for
.

Evaluate
when
.
