A motorboat takes 3 hours to travel 108 going upstream. The return trip takes 2 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
1 answer:
Let s and c be the rate of the boat in still water and the rate of the current, respectively. Then:
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Answer:
x = 2
Step-by-step explanation:
Since the base number is 2, the exponents must equal each other.
So:
12x = 3x+18
9x = 18
x = 2
The correct answer is the letter B)
Answer:
Surface area = 2 (lw + lh + wh)
= 2 [(5*4) + (5*7) + (7*4)]
= 166 sq.mm
For A well I can't do a graph ,but to do it you would start at 50 going up 25 each week
