Question

В спортивном зале 23 треножора . каждый год из строя выходят максимум 2 тренажора . если каждые пол года покупать по 3 тренажора , то сколько их будет через 3 года.

Answer 1

1) 3 * 2 - 2 = 4 тренажера будет прибавляться каждый год
2) 4 * 3 = 12 тренажеров прибавится за 3 года
3) 23 + 12 = 35 тренажеров будет через 3 года

Answer 2

2*3=6 тренажёров выидут из строя за 3 года
2*3*3=18 тренажеров купят новых за три года
23-6+18=35 тренажеров будет через 3 года

Answer 3

Calculation of the Number of Exercise Machines in 3 Years

To calculate the number of exercise machines in the gym after 3 years, we need to consider the following information:

- There are currently 23 exercise machines in the gym. - Each year, a maximum of 2 exercise machines become unusable. - Every half year (or every 6 months), 3 exercise machines are purchased.

Let's break down the calculation step by step:

1. Current number of exercise machines: There are currently 23 exercise machines in the gym.

2. Number of exercise machines becoming unusable each year: Each year, a maximum of 2 exercise machines become unusable.

3. Number of exercise machines purchased every half year: Every half year (or every 6 months), 3 exercise machines are purchased.

Now, let's calculate the number of exercise machines in the gym after 3 years:

- Year 1: - Number of exercise machines at the beginning: 23 - Number of exercise machines becoming unusable: 2 - Number of exercise machines purchased: 3 - Total number of exercise machines at the end of Year 1: 23 - 2 + 3 = 24

- Year 2: - Number of exercise machines at the beginning: 24 - Number of exercise machines becoming unusable: 2 - Number of exercise machines purchased: 3 - Total number of exercise machines at the end of Year 2: 24 - 2 + 3 = 25

- Year 3: - Number of exercise machines at the beginning: 25 - Number of exercise machines becoming unusable: 2 - Number of exercise machines purchased: 3 - Total number of exercise machines at the end of Year 3: 25 - 2 + 3 = 26

Therefore, after 3 years, there will be a total of 26 exercise machines in the gym.

Please note that this calculation assumes that the maximum number of exercise machines becoming unusable each year is 2, and that 3 exercise machines are purchased every half year consistently.