Question

9 Реши задачу разными способами. Космическое агентство решило заняться «космически сельским хозяйством». Учёные стали изучать влияние усло- вий космоса на растения. В специальной теплице посадили 900 растений, причём 630 из них были овощными культура ми, а остальные - злаки. Овощные рассадили по 35 штук на каждую полку, а злаки - по 30 штук. Сколько полок потребо валось?​

Answer 1

Ответ:

27

Пошаговое объяснение:

У нас 630 овощных культур по 35 на полку,а всего 630 следовательно 18 полок
И злаковых культур у нас 900-630=270
270 по 30 на полку следовательно 9
18 + 9 = 27
2-й способ

630:35+(900-630):30=18+9=27

Answer 2

Problem Analysis

The problem states that a space agency is conducting research on the effects of space conditions on plants. They have set up a special greenhouse and planted 900 plants, with 630 of them being vegetables and the rest being grains. The vegetables are arranged with 35 plants on each shelf, while the grains have 30 plants on each shelf. We need to determine how many shelves are required for this setup.

Solution

To find the number of shelves required, we can divide the total number of plants by the number of plants on each shelf.

Let's calculate it step by step:

1. Total number of vegetable plants: 630 2. Number of vegetable plants on each shelf: 35 3. Number of shelves required for vegetables: 630 / 35 = 18

Next, let's calculate the number of shelves required for grains:

1. Total number of grain plants: 900 - 630 = 270 2. Number of grain plants on each shelf: 30 3. Number of shelves required for grains: 270 / 30 = 9

Therefore, the total number of shelves required for this setup is 18 + 9 = 27.

Answer

The space agency will require a total of 27 shelves for their "space agriculture" project.

References

1. No relevant source was found for this specific problem.