Answer:
If the problem is asking 
then the answer is 4
If it's asking 
then the answer is 
Step-by-step explanation:
Answer: Robert and Chris can skate 10 miles in 45 minutes.
Step-by-step explanation:
Let's start by finding the unit rate.
Robert and Chris can skate 
of a mile in 1 minute. Now we can multiply both by 45 to see how far the can go in 45 minutes.
45x1=45
The can skate 10 miles in 45 minutes.
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Answer:
number of commercial=4
number of movies=4
4 times 20=80
80 times 4= 320
320+80=400
Step-by-step explanation:
The slope of the line passing the points (1, 1) and (0, 0) is 1
<h3>Slope of a line</h3>
The formula for calculating the slope of a line is expressed as
Slope = y2-y1/x2-x1
Given the coordinate points (1, 1) and (0, 0)
Substitute the given coordinate points
Slope = 0-1/0-1
Slope = -1/-1
Slope =1
Hence the slope of the line passing the points (1, 1) and (0, 0) is 1
Learn more on slope of a line here: brainly.com/question/3493733
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