Question

Каким наименьшим количеством других монет можно разменять 25-рублевую?

Answer 1

Две 10 рублёвые монеты и 5 рублей

Answer 2

2 по 10 руб и одна по 5,то есть 3 монеты.

Answer 3

Minimum Number of Coins to Make 25 Rubles

To make 25 rubles, the minimum number of other coins needed for exchange can be determined as follows:

1. Using the Available Coins: - The available coins for exchange are 1, 3, and 5 rubles. - By using a combination of these coins, the minimum number required to make 25 rubles can be calculated.

2. Calculation: - By using a combination of 5 and 5 ruble coins, the minimum number of coins needed to make 25 rubles is 5. - Alternatively, using a combination of 3, 3, 3, 3, and 3 ruble coins, the minimum number of coins needed to make 25 rubles is 5.

Therefore, the minimum number of other coins needed to make 25 rubles is 5.