Miguel has a higher unit rate of change than Donna because 53mph is greater than 48mph.
The unit rate is used to show the relationship between the variables illustrated. Since Miguel drove for 8 hours at a constant rate and drove a total of 424 miles. The rate will be:
= 424 / 8
= 53 miles per hour.
The unit rate for Donna will be:
Miles / Time
= 144 / 3
= 48 miles per hour.
Therefore, Miguel has a higher rate.
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