Question

Помогите решить задачу,пожалуйста!Альбом и карандаш стоят 15 руб.На свои деньги Оля может купить1альбом или 4 карандаша.Сколько денег у Оли?Реши подбором.

Answer 1

Я не знаю как это решить :(

Answer 2

12 рублей вроде.....

Answer 3

Solving the Problem

To solve this problem, we can use a trial and error approach to find the amount of money Olya has. We know that an album and a pencil together cost 15 rubles, and Olya can buy either 1 album or 4 pencils with her money.

Let's start by trying to find the amount of money Olya has by testing different values.

1. Test 1 Ruble: - If Olya has 1 ruble, she can't buy an album or 4 pencils.

2. Test 2 Rubles: - If Olya has 2 rubles, she can't buy an album or 4 pencils.

3. Test 3 Rubles: - If Olya has 3 rubles, she can't buy an album or 4 pencils.

4. Test 4 Rubles: - If Olya has 4 rubles, she can buy 1 album or 4 pencils.

5. Test 5 Rubles: - If Olya has 5 rubles, she can't buy an album or 4 pencils.

6. Test 6 Rubles: - If Olya has 6 rubles, she can't buy an album or 4 pencils.

7. Test 7 Rubles: - If Olya has 7 rubles, she can't buy an album or 4 pencils.

8. Test 8 Rubles: - If Olya has 8 rubles, she can't buy an album or 4 pencils.

9. Test 9 Rubles: - If Olya has 9 rubles, she can't buy an album or 4 pencils.

10. Test 10 Rubles: - If Olya has 10 rubles, she can't buy an album or 4 pencils.

11. Test 11 Rubles: - If Olya has 11 rubles, she can't buy an album or 4 pencils.

12. Test 12 Rubles: - If Olya has 12 rubles, she can't buy an album or 4 pencils.

13. Test 13 Rubles: - If Olya has 13 rubles, she can't buy an album or 4 pencils.

14. Test 14 Rubles: - If Olya has 14 rubles, she can't buy an album or 4 pencils.

15. Test 15 Rubles: - If Olya has 15 rubles, she can buy 1 album or 4 pencils.

Conclusion

Based on the trial and error approach, we find that Olya has 15 rubles. With this amount, she can buy either 1 album or 4 pencils.

So, the amount of money Olya has is 15 rubles.