Jane took 15 min to drive her boat upstream to water-ski at her favorite spot. Coming back later in the day, at the same boat

Question

2 years ago

9

speed, took her 5 min. If the current in that part of the river is 4 km per hr, what was her boat speed in still water

1 answer:

s344n2d4d5 [400] · Answer 1 · 2022-10-22T06:40:01+03:00

7 0

Answer:

The speed of the boat in still water = 8 Km/hr

Step-by-step explanation:

Let the speed of the boat be x

According to question

(x-4)15 = (x+4)5

3x-12 = x+4

⇒x = 8 km/hr

Jane took 15 min to drive her boat upstream to​ water-ski at her favorite spot. Coming back later in the​ day, at the same boat​