Ask Question
9 December, 01:40

A motorboat takes

3

hours to travel

108mi

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?

+4
Answers (1)
  1. 9 December, 02:42
    0
    108=3 (b-s)

    36=b-s

    s=b-36

    ...

    108=2 (b+s), and using s found above gives us:

    54=b+b-36

    54=2b-36

    2b=90

    b=45, and since s=b-36, s=9

    So the boat's speed is 45mph and the stream's speed is 9mph
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A motorboat takes 3 hours to travel 108mi going upstream. The return trip takes 2 hours going downstream. What is the rate of the boat in ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers