Answer:the answer is b
Step-by-step explanation:
Kylie and jack ther lines both meet at 4,40
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Answer: 
Step-by-step explanation:
1. By definition, if
when
, then:

2. Keeping this on mind, to find the value of
when
, you must apply the following proccedure:

3. Now, you must solve for
, as following:

4. Then, the result is:

<span>Average speed = distance over time so here
Speed = (22 1/2) / (1/3) = 67 1/2 miles per hour</span>