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# In what ways do the motion problems in this section (like Example 1 ) differ from the motion problems in Section $7.7 ?$

## rational equation

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### Video Transcript

this question asks us about motion problems, so let's quickly define what that means. All motion problems will discuss a distance, the time and the rate, which represents the amount of distance covered over a certain time. And as we can tell, these three are all quite related. So the main difference between the problems offered earlier in the textbook and we've seen in this section is simply which variables were given on how they're used. Each of these three variables will use velocity to represent. Rate here can be used to find the other ones. As we can see the rate musical to distance over time. And using this expression we can see it at the time is equal to the distance over the rate and the distance is equal to the rate times the time. So different types of motion problems will give us different tools to work with. However, in the end, we're always using the same types of techniques to manipulate these variables and were to acquire whatever unknown variable we're looking for, whether it's the distance, the rate or the time

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Macalester College