Answer:
9 mph
Step-by-step explanation:
-let x be the speed of current and t be time. The speed equation for both directions can then be represented as:

#Since t is equal in both, we can do away with t.
#We the divide the downstream equation by the upstream equation as:

Hence, the boat's speed in still water is 9 mph
Answer:
Bruh the answer is there so uh yea
Step-by-step explanation:bruh sorry for being a little rude.
I'm sorry idk how to do it
Answer:
52
Step-by-step explanation:
55 - 3 = 52
give me brainiest wink wink
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