Give them the same denominator.
19/30 is what you have left
We are trying to find the average speed of the plane, which is mph, or
. Using proportions, we can find the average speed of the plane in mph:

- Use the information from the problem to create a proportion. Remember that we are looking for mph, so we will call that
.

- Multiply the entire equation by


- Divide both sides of the equation by
to clear both sides of the mile unit
The average speed of the plane is 300 mph.
(7,-1)
comment if u want me to explain the answer
Answer:
the mean is 3
answer choice D
Step-by-step explanation:
60/20
Answer:
a.
86,957
Step-by-step explanation:
i took the test