Question

Помогите решить задачи пожалуйста!!! Автомобіль був у дорозі 3 дні . Першого дня автомобіль проїхав 200 км, що склало 80% відстані,яку він подолав другого дня. Другого дня Він проїхав 50% всієї відстані.Яку відстань (у км) подолав автомобіль 1)другого дня 2)третього дня Задача 2 Мотоцикліст подолав 20% Шляху, а потім 40% решти шляху. Скільки відсотків всього шляху йому ще потрібно пройти ?

Answer 1

80%-200км
100%-х км
Х=200*100/80=250км-весь путь
250-200=50км-проехал автомобиль во 2 день

Answer 2

Problem 1: Distance Traveled by a Car

To solve this problem, let's break it down into two parts: the distance traveled on the second day and the distance traveled on the third day.

1) Distance traveled on the second day: - We are given that on the first day, the car traveled 200 km, which is 80% of the distance it traveled on the second day. - Let's assume the distance traveled on the second day is represented by 'x' km. - According to the given information, 200 km is 80% of 'x' km. - We can set up the equation: 200 = 0.8x. - Solving this equation, we find that 'x' is equal to 250 km.

2) Distance traveled on the third day: - We know that the car was on the road for a total of 3 days. - So, the distance traveled on the third day can be calculated by subtracting the distances traveled on the first two days from the total distance traveled. - The total distance traveled is the sum of the distances traveled on the first and second days. - The distance traveled on the first day is given as 200 km, and the distance traveled on the second day is calculated as 250 km. - Therefore, the distance traveled on the third day is: Total distance - Distance on first day - Distance on second day = 600 km - 200 km - 250 km = 150 km.

So, the car traveled 250 km on the second day and 150 km on the third day.

Problem 2: Percentage of Remaining Distance for a Motorcyclist

To solve this problem, we need to find the percentage of the total distance that the motorcyclist still needs to cover.

1) Percentage of the total distance the motorcyclist has already covered: - The motorcyclist covered 20% of the total distance first, and then an additional 40% of the remaining distance. - Let's assume the total distance is represented by 'x' km. - The distance covered in the first part is 20% of 'x' km, which can be written as 0.2x km. - The remaining distance after the first part is 80% of 'x' km. - The distance covered in the second part is 40% of the remaining distance, which can be written as 0.4 * 0.8x km = 0.32x km. - Adding the distances covered in both parts, we get 0.2x km + 0.32x km = 0.52x km.

2) Percentage of the total distance the motorcyclist still needs to cover: - To find the remaining distance, we subtract the distance covered from the total distance. - The remaining distance is: Total distance - Distance covered = x km - 0.52x km = 0.48x km.

To find the percentage of the remaining distance, we can set up the equation: (0.48x km / x km) * 100% = 48%.

Therefore, the motorcyclist still needs to cover 48% of the total distance.

I hope this helps! Let me know if you have any further questions.