Question

533. Туристы за три дня прошли 45 км. В первый день они прошли в 1 1\2 раза больше длины пути, чем во второй день, ав третий день 15 км. Сколько километров прошли туристы в первый день? ​

Answer 1

18 км
Пошаговое объяснение:
1) 45-15=30км - такой путь прошли туристы за 1 и 2 день вместе
2) Пусть во второй день туристы прошли х км, тогда в первый день прошли 3/2х, всего 30 км. Имеем:
х+3/2х=30, 5/2х=30, х=30*2/5=12км - ровно столько пройдено во второй день.
3) 3/2*12=18 км - столько прошли туристы за первый день.
Проверка: 18+12+15=45, 45=45 всё сходится.

Answer 2

Calculation of Distance Covered by Tourists

To calculate the distance covered by the tourists on the first day, we need to analyze the information provided.

According to the given information: - The tourists walked a total of 45 km over three days. - On the first day, they walked 1 1/2 times the distance covered on the second day. - On the third day, they walked 15 km.

Let's calculate the distance covered on the first day step by step:

1. Let's assume the distance covered on the second day is x km. 2. On the first day, they walked 1 1/2 times the distance covered on the second day, which is 1.5 * x km. 3. On the third day, they walked 15 km.

To find the distance covered on the first day, we can set up the following equation:

1.5x + x + 15 = 45

Now, let's solve the equation to find the value of x and then calculate the distance covered on the first day.

Solution:

1.5x + x + 15 = 45

Combining like terms:

2.5x + 15 = 45

Subtracting 15 from both sides:

2.5x = 30

Dividing both sides by 2.5:

x = 12

Now that we have the value of x, we can calculate the distance covered on the first day:

1.5 * 12 + 12 + 15 = 18 + 12 + 15 = 45

Therefore, the tourists covered 18 km on the first day.

Please let me know if there's anything else I can help you with!