Question

Турист прошел 1/3ч со скоростью 4 1/5 км/ч и 2,5 ч со скоростью 4 3/8км/ ч Какое общее расстояние он прошел за все время?

Answer 1

1\3 * 4 1\5 + 2\5 * 4 3\8 = 1\3  *21\5 +2\5 * 35\8 = 7\5 +7\4 = 24+35\20 = 63\20 =3 3\20 (км) подробней на картинке

Answer 2

Calculating the Total Distance Traveled

To calculate the total distance traveled by the tourist, we can use the formula:

Total Distance = (Speed1 * Time1) + (Speed2 * Time2)

Where: - Speed1 and Time1 are the speed and time for the first part of the journey. - Speed2 and Time2 are the speed and time for the second part of the journey.

Let's calculate the total distance using the given information.

Calculating the Distance for the First Part of the Journey

The tourist walked for 1/3 hour at a speed of 4 1/5 km/h.

The distance for the first part of the journey can be calculated as: Distance1 = Speed1 * Time1

Substituting the given values: Distance1 = (4 1/5) * (1/3)

Calculating the Distance for the Second Part of the Journey

The tourist walked for 2.5 hours at a speed of 4 3/8 km/h.

The distance for the second part of the journey can be calculated as: Distance2 = Speed2 * Time2

Substituting the given values: Distance2 = (4 3/8) * (2.5)

Calculating the Total Distance

Now, we can calculate the total distance traveled by adding the distances for the two parts of the journey: Total Distance = Distance1 + Distance2

Let's calculate the total distance using the above formula.

Total Distance Calculation

``` Distance1 = (4 1/5) * (1/3) = 4 1/15 km Distance2 = (4 3/8) * (2.5) = 10 3/8 km Total Distance = Distance1 + Distance2 = 4 1/15 + 10 3/8 = 14 11/120 km ```

The tourist traveled a total distance of 14 11/120 kilometers during the entire time.