Question

Реши задачу разными способами: Три бригады рабочих заасфальтировали 700 м шоссе.Сколько метров заасфальтировала первая бригада,если вторая и третья бригады заасфальтировали по 230 м? помогите

Answer 1

230*2=3 и 2 бригады
700-460=240м-1 бригада

Answer 2

Problem Statement

We have three teams of workers who have paved 700 meters of highway. The second and third teams each paved 230 meters. We need to find out how many meters the first team paved.

Solution 1: Using Arithmetic

Let's solve this problem using arithmetic.

The total length of the highway paved by all three teams is 700 meters. The second and third teams together paved 230 meters each, which is a total of 460 meters.

To find out how many meters the first team paved, we can subtract the total paved by the second and third teams from the total paved by all three teams: 700 - 460 = 240 meters.

So, the first team paved 240 meters of the highway.

Solution 2: Using Algebra

We can also solve this problem using algebra.

Let's represent the length paved by the first team as x. We know that the second and third teams each paved 230 meters, so the total length paved by the second and third teams is 2 * 230 = 460 meters.

We can set up the equation: x + 460 = 700

Solving for x: x = 700 - 460 x = 240 meters

So, using algebra, we also find that the first team paved 240 meters of the highway.

Both methods yield the same result: the first team paved 240 meters of the highway.