Question

Как решить задачу? Дам 10 баллов! Взрослый лыжник проежает за 1 час 5 км, а ребёнок на 3 км меньше. Сколько они проедут вместе с такой-же продуктивностью?

Answer 1

Ответ:7км

Пошаговое объяснение:

5-3=2 (км) проезжает ребёнок в 1 час

5+2=7(км) проезжают вместе за 1 час

Answer 2

Problem Analysis

To solve this problem, we need to find the total distance that an adult skier and a child will cover together, given that the adult skier covers 5 km in 1 hour and the child covers 3 km less than the adult.

Solution

Let's assume the distance covered by the child is x km. Since the adult skier covers 5 km in 1 hour, the child will cover x km in the same time. According to the problem, the child covers 3 km less than the adult, so the child's distance can be represented as (5 - 3) km.

To find the total distance covered by both the adult and the child, we need to add their distances together. Therefore, the total distance covered by both of them is (5 km + (5 - 3) km).

Calculation

Let's calculate the total distance covered by both the adult and the child:

Total distance = 5 km + (5 - 3) km

Simplifying the expression:

Total distance = 5 km + 2 km

Total distance = 7 km

Answer

Therefore, the adult skier and the child will cover a total distance of 7 km together with the same productivity.

Please let me know if you need any further assistance!