Vp121id Vp121id

Mathematics

Answered

Jane took 10 min to drive her boat upstream to water-ski at her favorite spot. Coming back later in the day at the same boat speed took her 5 min. If the current in that part of the river is 10 km per hr, what was her boat speed in still water?

Sagot :

Alo214id Alo214id

Answer: B = 15 kph or 15 kph

step by step

(b-5)*10=(b+5)*5

10b-50=5b+25

5b=75

b=15 kph in still water

Answer Link

ID Other Questions

In Triangle PQR, P Equals What. 1) (r Sin P)/ Sin Q 2) (r Sin P)/ Sin R 3) (r Sin R)/ Sin P 4) (q Sin R)/ Sin Q

What Observation Led Researchers To Propose That Chloroplasts Evolved From Cyanobacteria?

Which Was One Result Of The Car Culture That Developed In The Postwar Era? (Points : 3) Congress Passed Legislation To Provide For The Construction Of The Inter

If A Person Eats A Steak (from A Cow) The Person Is Acting Like A.) A Primary Producer B.) A Primary Consumer C.) A Secondary Consumer D.) A Tertiary Consumer

Which Of These BEST Describes The Cause Of Waves In The Ocean? high And Low Tides evaporation Of Water wind Blowing Across The Surface Of The Ocean ridges And T

Where Is Most Of Earth's Liquid Water? What Must Be Done So Humans Can Drink It

Explain How Ruth And Her Friends In Ruth Fielding At Snow Camp Come To Realize that A Bull Is Chasing Them.

Which Of These Are Correct According To The Arrows On The Map Attatched? The Altiplano Lies In The Midst Of Which Geographic Feature? arrow A arrow B Arrow C Ar

What Is 5/12 Plus 3/8

Which Sentence Is Punctuated Correctly? A. Gerald Said That He Will Be Ready At 7:30. B. Gerald Said "that He Will Be Ready At 7:30." C. Gerald Said That "he Wi