How long will it take to sail 90 km against the current in a motor boat, if its own speed is 20
| September 5, 2021 | education
How long will it take to sail 90 km against the current in a motor boat, if its own speed is 20 km h, and the speed of the river is 2 km h?
1). What is the speed of a motorboat against the current of the river?
20 – 2 = 18 kilometers per hour.
2). How long does it take for a motorboat to sail 90 kilometers against the current?
90/18 = 5 hours.
Answer: The motor boat will take five hours.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
