Question

Цена товара повысилась с 84р. до 109,2р. На сколько процентов повысилась цена товара?Краткую запись напишите и пояснения.

Answer 1

Находи сначала 1 процент от стоимости товара 84/100=0.84
Вторым действием находим сколько процентов от первой цены составляет вторая цена 109.2/0.84=130 Ответ на 30%

Answer 2

Calculation of Price Increase Percentage

To calculate the percentage increase in price, we can use the following formula:

Percentage Increase = ((New Price - Old Price) / Old Price) * 100

Given that the old price is 84 rubles and the new price is 109.2 rubles, we can substitute these values into the formula:

Percentage Increase = ((109.2 - 84) / 84) * 100

Calculating this expression, we find that the price of the item increased by approximately 30%:

Percentage Increase = ((109.2 - 84) / 84) * 100 = 30%

Therefore, the price of the item increased by 30%.

Explanation

The initial price of the item was 84 rubles, and it increased to 109.2 rubles. To determine the percentage increase, we compare the difference between the new price and the old price to the old price. This gives us a relative measure of how much the price has increased.

In this case, the price increased by 25.2 rubles (109.2 - 84). To express this increase as a percentage of the old price, we divide the increase by the old price (25.2 / 84) and multiply by 100 to get the percentage (30%).

Therefore, the price of the item increased by 30%.