Answer:
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Answer:
Step-by-step explanation:
You have to do total ratio
that will give you 20/15
530 miles are travelled for every hour passed?
To solve for c, you need to get c onto one side of the equation, or make it c=__. So what I would do first is subtract a/b from both sides
a/b + c = d/c
-a/b
a/b - a/b + c = d/c - a/b
c = d/c-a/b