Answer:
5mph
Step-by-step explanation:
Given that two cars are 40 miles apart at the beginning.
They started at the same time with speeds 48 mph and 56 mph respectively
Since both cars are travelling in the same direction,
Relative velocity = Speed of the behind car-Speed of the first car
=56-48 =8mph
To catch the I car, the second car has to travel a distance of 40 miles extra in the same time as the I car
i.e. speed to be made up by the second car = 40 miles
Relative velocity per hour = 8mph
Hence time taken to catch up = 
The two best examples of long-term needs that people need to save for includes:
- college education
- medical emergencies
<h3>What is a Long-term needs?</h3>
This refer to those needs that one will be will be needing in the future or for a very long time.
The need to saving up for college is important if one want to have a bright future or a better salary.
The need to saving up for medical emergencies is also crucial because we're all human beings who, at some point, will deteriorate physically.
Therefore, the Option A and C is correct,
Read more about Long-term needs
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G = 15-9
g = 6
the answer is g =6
