Question

Магазин повысил цены на диваны на 10%,а на остальные предметы мебели-на 15%.До повышения цен диван стоил 2600руб.,стол-1800руб.,а стул-900руб. На сколько после повышения цен увеличилась стоимость набора мебели,состоящего из дивана,стола и четырёх стульев?

Answer 1

Просто переведи проценты а потом умнож их

Answer 2

Calculation of the Increased Cost of the Furniture Set

To calculate the increased cost of the furniture set, we need to determine the new prices of the sofa, table, and chairs after the price increase.

Given the following information: - The price of the sofa before the price increase was 2600 rubles. - The price of the table before the price increase was 1800 rubles. - The price of each chair before the price increase was 900 rubles.

The store increased the prices of sofas by 10% and the prices of other furniture items by 15%.

Let's calculate the new prices of the sofa, table, and chairs:

1. The new price of the sofa after a 10% increase: - 10% of 2600 rubles = 260 rubles - New price of the sofa = 2600 rubles + 260 rubles = 2860 rubles

2. The new price of the table after a 15% increase: - 15% of 1800 rubles = 270 rubles - New price of the table = 1800 rubles + 270 rubles = 2070 rubles

3. The new price of each chair after a 15% increase: - 15% of 900 rubles = 135 rubles - New price of each chair = 900 rubles + 135 rubles = 1035 rubles

Now that we have the new prices of the sofa, table, and chairs, let's calculate the increased cost of the furniture set, which consists of a sofa, a table, and four chairs:

- Total cost of the furniture set before the price increase: - Sofa: 2600 rubles - Table: 1800 rubles - 4 chairs: 4 * 900 rubles = 3600 rubles - Total cost before the price increase = 2600 rubles + 1800 rubles + 3600 rubles = 8000 rubles

- Total cost of the furniture set after the price increase: - Sofa: 2860 rubles - Table: 2070 rubles - 4 chairs: 4 * 1035 rubles = 4140 rubles - Total cost after the price increase = 2860 rubles + 2070 rubles + 4140 rubles = 9070 rubles

Therefore, the cost of the furniture set, consisting of a sofa, a table, and four chairs, increased by 1070 rubles after the price increase.