Question
Asked Oct 27, 2019
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Justin's boat travels 105 km downstream in 3 hours and it travels 135 km upstream in 5 hours. Find the speed of the boat in still water and the speed of the stream's current.

Boat Speed: 

 km/h
Current Speed: 

 km/h

 

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Expert Answer

Step 1

To solve for the required speeds from the given data

Step 2

Let the spees of the boat and the current be denoted as B and C. Use the ...

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Image Transcriptionclose

dis tan ce Time speed Downsteam 105 3= B+C 35 (1) В+С Upsteam 135 — В -С%3D27 (2) 5 В -С

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