Question

А) цена товара сначала повысилась на 20%,затем на 12%.Сколько процентов состовляет новая цена от старой? б)Цена товара была снижена на 18%,после чего новая цена снизилась ешё на 32%.Сколько процентов составляет новая цена от старой?

Answer 1

А=132%
Б=50%

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Answer 2

1.132% 100+(20+12)= 132
2.50% 100-(18+32)=50

Answer 3

Calculation of the New Price after Two Increases

To calculate the new price after two consecutive increases, we can use the following steps:

1. Let's assume the original price of the item is 100 units. 2. The first increase is 20%, which means the price increases by 20 units (20% of 100). 3. The price after the first increase becomes 120 units (100 + 20). 4. The second increase is 12%, which means the price increases by 14.4 units (12% of 120). 5. The final price after the second increase becomes 134.4 units (120 + 14.4).

Therefore, the new price is 134.4 units.

Calculation of the New Price after a Decrease and a Subsequent Decrease

To calculate the new price after a decrease and a subsequent decrease, we can use the following steps:

1. Let's assume the original price of the item is 100 units. 2. The first decrease is 18%, which means the price decreases by 18 units (18% of 100). 3. The price after the first decrease becomes 82 units (100 - 18). 4. The second decrease is 32%, which means the price decreases by 26.24 units (32% of 82). 5. The final price after the second decrease becomes 55.76 units (82 - 26.24).

Therefore, the new price is 55.76 units.

Please note that the calculations provided above are based on the assumption that the percentage changes are applied successively to the original price.