Answered

Discover the best answers to your questions with the help of IDNLearn.com. Find the solutions you need quickly and accurately with help from our knowledgeable community.

A motorboat take 5 hours to travel 100 km going upstream. The return trip take 2 hours going downstream. what is the rate of the boat in still water? What is the rate of the current?

Sagot :

Mathdragonidn
b= boat speed
r = river speed

d=rt
the rate of the river will either be added or subtracted from the rate of the boat

upstream
100=(b-r)(5)
100=(b+r)(2)

50=b+r
20=b-r

b=20+r
20 + 2r = 50

r=15km/h
b= 35km/h
We appreciate every question and answer you provide. Keep engaging and finding the best solutions. This community is the perfect place to learn and grow together. Your questions deserve reliable answers. Thanks for visiting IDNLearn.com, and see you again soon for more helpful information.