Question

В салоне самолёта ряды занумерованы числами от 1 до 25,но ряда с номером 13 нет.В каждом ряду ,кроме пятнадцатого,по 6 пассажирских мест,а в 15 ряду только 4 места.Сколько всего пассажирских мест в самолете?Варианты ответов снизу: а-120 в-138 с-142 д-144 е-150

Answer 1

1)25 -1 =24

2)23 х6 = 138 

3)138 + 4 =142 места в самолёте

Answer 2

Всего в самолете 24 ряда (25-1) причем вовсех кроме одного по 6 мест т.е. 23*6=138 мест, и в одном 4 т.е. всего 142 Ответ с

Answer 3

Calculation of Passenger Seats in the Airplane

To calculate the total number of passenger seats in the airplane, we need to consider the number of rows and the number of seats in each row.

According to the given information: - The airplane has rows numbered from 1 to 25, excluding row 13. - Each row, except for the 15th row, has 6 passenger seats. - The 15th row has only 4 passenger seats.

To calculate the total number of passenger seats, we can sum up the number of seats in each row, excluding row 15, and then add the number of seats in the 15th row.

Let's calculate it step by step:

1. Calculate the total number of seats in rows 1 to 14 and 16 to 25: - There are 14 rows from 1 to 14, and each row has 6 seats. - There are 10 rows from 16 to 25, and each row has 6 seats. - So, the total number of seats in rows 1 to 14 and 16 to 25 is 14 * 6 + 10 * 6 = 84 + 60 = 144 seats.

2. Add the number of seats in the 15th row: - The 15th row has 4 seats.

3. Calculate the total number of passenger seats in the airplane: - Add the number of seats in rows 1 to 14 and 16 to 25 (144 seats) to the number of seats in the 15th row (4 seats). - The total number of passenger seats in the airplane is 144 + 4 = 148 seats.

Therefore, the correct answer is д-144.

Please let me know if you need any further assistance!