Question

Тетрадь стоит 29 р. 60 к., а дневник на 80 к. дороже. Сколько стоит дневник?

Answer 1

29 руб 60 коп + 80 коп = 29 руб 140 коп = 30 руб 40 коп ( стоит дневник )

Answer 2

29.60+0.80=30.40 Итого 30 рублей и 40к

Answer 3

Calculating the Cost of the Diary

To calculate the cost of the diary, we can use the given information that the notebook costs 29 rubles and 60 kopecks, and the diary is more expensive by 80 kopecks.

The cost of the diary can be calculated as follows:

Cost of the diary = Cost of the notebook + Additional cost

Given: - Cost of the notebook = 29 rubles and 60 kopecks - Additional cost = 80 kopecks

Calculation

Cost of the diary = 29 rubles and 60 kopecks + 80 kopecks Cost of the diary = 30 rubles and 40 kopecks

Therefore, the cost of the diary is 30 rubles and 40 kopecks.