Two piers, A and B, are located 105 km away from each other along a river. A motor boat, with a speed of 40 km/hour in still wat

Question

3 years ago

14

Two piers, A and B, are located 105 km away from each other along a river. A motor boat, with a speed of 40 km/hour in still wat

er, is cruising between the two piers. How much time, t (in hours) will the motorboat need to get from pier A to pier B and back, if the speed of the current is 5km/hour?

Mathematics

1 answer:

Evgesh-ka [11] · Answer 1 · 2022-08-02T14:29:22+03:00

Evgesh-ka [11]3 years ago

5 0

Answer:

Brainleist plz

Step-by-step explanation:

Distance from,

There = 50

and Back = 50

speed is...

There = 25+5

Back = 25-5

50/25+5 = 50/30 = 5/3

50/25-5 = 50/20 = 5/2

5/3+5/2 = Total Time spent to go from pier a to pier b and back

Total Time = 25/6 Hours