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A motor boat, in still water goes 30 km
downstream and comes back in a total of 4 hours
and 30 minutes. If the speed of

By Brielle

A motor boat, in still water goes 30 km
downstream and comes back in a total of 4 hours
and 30 minutes. If the speed of the stream is
5 km/hr, then determine the speed of the boat.​

About the author
Brielle

write a quadratic polynomial, sum of whise zeroes is 5 and product is 9​

What is the formula to find quadratic equation when sum n product is given.

Anshika .​

2 thoughts on “A motor boat, in still water goes 30 km<br />downstream and comes back in a total of 4 hours<br />and 30 minutes. If the speed of”

  2. Answer:A motorboat, whose speed is 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:? Let the flow of the stream = s, km/hr. Speed of the boat in still water = 15 km/hr.

    Step-by-step explanation:

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