Answer:
n-15
Explanation:
We don't know how fast Micale is traveling, so we use "n". If Joshua is traveling at 15 mph less than Micale, but we don't know how fast Joshua is going, we use n-15.
hope it helps! :3
Answer: n-15
Step-by-step explanation: This is because since he is going 15 miles slower than Micale, your write n-15
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