Question

Сначала цена телефона понизилась на 15%, а через год новая цена повысилась на 15%. Дороже или дешевле первоначальной цены стал стоить телефон?

Answer 1

Ответ:

Нет

Пошаговое объяснение:

Потому что на 15% понизилась

И на 15% повысилась

Поставь пожалуйста "правильный ответ"

Answer 2

Calculation of the New Price

To determine whether the phone became more expensive or cheaper compared to the initial price, we need to calculate the new price after the decrease and increase.

Let's assume the initial price of the phone is $100.

1. The price of the phone decreased by 15%. To calculate the new price after the decrease, we multiply the initial price by (1 - 0.15):

New price after the decrease = $100 * (1 - 0.15) = $85.

2. After a year, the new price increased by 15%. To calculate the final price after the increase, we multiply the new price after the decrease by (1 + 0.15):

Final price after the increase = $85 * (1 + 0.15) = $97.75.

Conclusion

The final price of the phone, after the initial decrease of 15% and subsequent increase of 15%, is $97.75. Therefore, the phone became slightly more expensive compared to the initial price of $100.