Step-by-step explanation:
this is the answer of the required questions
thank you
Answer:
Im pretty sure the anwer is B.
Step-by-step explanation:
I really hope this helps! I think this is the answer, Have an AWSOME day :)
Both of them are the first answer choice
Step-by-step explanation:
-7(y-1)= 21
-7y+7=21
-7y=21-7
-7y=14
divide by-7
y=-2
Answer: 707 km/h
Step-by-step explanation:
let c = speed of current
16.5 + c = speed of sailboat downstream
16.5 - c = speed of sailboat upstream
distance = travel time * speed
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2(16.5 + c) = 5(16.5 - c)
33 + 2c = 82.5 - 5c
7c = 49.5
c = 7.07 km/h
