Question

Школьники 3 классов помогали в уборке картофеля.Один класс собрал 230кг,другой на 20кг б.,чем первый,но оба класса собрали вместе на 40кг меньше,чем третий.Сколько кг было собрано тремя классами?

Answer 1

1) 230+20=250 (кг)-собрал 2 класс
2)(230+250)+40=520 (кг)-собрал 3 класс
3)230+250+520=1000 (кг)-3 класса вместе
Ответ:1000 кг

Answer 2

Один класс собрал 230 кг, второй 230+20 = 250 кг, третий (230+250)+40=520 кг
все классы собрали 230+250+520=1000 кг

Answer 3

Calculating the Total Potato Harvest by Three Classes

To calculate the total potato harvest by the three classes, we can follow these steps:

1. Calculate the individual potato harvest by each class. 2. Find the total potato harvest by the three classes.

Let's proceed with the calculations.

Step 1: Individual Potato Harvest by Each Class

- The first class collected 230 kg of potatoes. - The second class collected 20 kg less than the first class, which is 210 kg. - Together, the first and second classes collected 40 kg less than the third class.

Step 2: Total Potato Harvest by the Three Classes

Let's denote the total potato harvest by the third class as T kg.

According to the given information, the total potato harvest by the three classes can be represented by the equation: 230 kg + 210 kg + T kg = T - 40 kg

We can solve for T to find the total potato harvest by the three classes.

Solving for T

By rearranging the equation, we get: 230 kg + 210 kg + 40 kg = T - T 480 kg = T - T 480 kg = 2T

Dividing both sides by 2, we find: T = 240 kg

Answer:

The total potato harvest by the three classes was 240 kg.

Therefore, the three classes collected a total of 240 kg of potatoes.