From two piers, the length of the path between which is 120 km, a boat and a motor ship simultaneously

| September 4, 2021 | education

From two piers, the length of the path between which is 120 km, a boat and a motor ship simultaneously sailed in the same direction. Speed of the motor ship 35 km / hour What is the speed of the boat that, following the motor ship, caught up with it in 5 hours?

Let’s calculate how much more the speed of the boat would have to be in order to catch up with the ship in 5 hours at a distance of 120 kilometers. Let’s divide the distance – 120 kilometers by the time – 5 hours:

120: 5 = 24 kilometers per hour.

The speed of the boat should be 24 kilometers per hour more than the speed of the motor ship. Let’s find her. Let’s add to the speed of the ship – 35 kilometers per hour 24 kilometers per hour:

35 + 24 = 59 kilometers per hour.

The speed of the boat was 59 kilometers per hour.

Answer: the speed of the boat is 59 kilometers per hour.



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