Question

Помогите пожалуста!!Купили 3,2 кг цукра по ціні 33 грн і 2,7 кг апельсин по ціні 47,6 грн . Скільки коштує вся покупка . За що і на скільки заплатили більше за 2,4 кг яблук по ціні 23,7 грн чи за 0,56 кг філе курки по ціні 145,9 грн Власна швидкість човна 26,9 км\год швидкість течії 2,7 км\год .Катер проплив за течією 2,3 год і повернувся назад . Скільки всього проплив катер .

Answer 1

Відповідь:

Покрокове пояснення:

1)(3,2*33)+(2,7*47,6)=105,6+128,52=234,12грн-коштує вся покупка.

2)2,4*23,7=56,88грн-ціна яблук

   0,56*145,9=81,704грн-ціна філе

   56,88<81.704

   81,704-56,88=24,824грн.

   Отже,Заплатили більше за філе,на 24,824грн.

 3)26,9+2,7=29,6км-відстань за  1 годину

    (29,6*2,3)*2=136,16км

Answer 2

Calculation of Total Cost of Purchase:

To calculate the total cost of the purchase, we need to multiply the weight of each item by its respective price and then sum up the costs.

The weight and price of sugar are: - Weight of sugar: 3.2 kg - Price of sugar: 33 UAH per kg

The weight and price of oranges are: - Weight of oranges: 2.7 kg - Price of oranges: 47.6 UAH per kg

To calculate the cost of sugar, we multiply the weight by the price: 3.2 kg * 33 UAH/kg = 105.6 UAH

To calculate the cost of oranges, we multiply the weight by the price: 2.7 kg * 47.6 UAH/kg = 128.52 UAH

To calculate the total cost of the purchase, we sum up the costs of sugar and oranges: 105.6 UAH + 128.52 UAH = 234.12 UAH

Therefore, the total cost of the purchase is 234.12 UAH.

Comparison of Prices for Apples and Chicken Fillet:

We need to compare the prices for 2.4 kg of apples and 0.56 kg of chicken fillet.

The weight and price of apples are: - Weight of apples: 2.4 kg - Price of apples: 23.7 UAH per kg

The weight and price of chicken fillet are: - Weight of chicken fillet: 0.56 kg - Price of chicken fillet: 145.9 UAH per kg

To calculate the cost of apples, we multiply the weight by the price: 2.4 kg * 23.7 UAH/kg = 56.88 UAH

To calculate the cost of chicken fillet, we multiply the weight by the price: 0.56 kg * 145.9 UAH/kg = 81.704 UAH

Therefore, the cost of 2.4 kg of apples is 56.88 UAH, and the cost of 0.56 kg of chicken fillet is 81.704 UAH.

To determine which item was more expensive and by how much, we can compare the costs: - The cost of 2.4 kg of apples is 56.88 UAH. - The cost of 0.56 kg of chicken fillet is 81.704 UAH.

Therefore, the purchase of 0.56 kg of chicken fillet was more expensive by: 81.704 UAH - 56.88 UAH = 24.824 UAH.

So, the purchase of 0.56 kg of chicken fillet was 24.824 UAH more expensive than the purchase of 2.4 kg of apples.

Calculation of Total Distance Traveled by the Boat:

To calculate the total distance traveled by the boat, we need to consider its speed and the time it spent traveling with and against the current.

The speed of the boat is: - Boat speed: 26.9 km/h

The speed of the current is: - Current speed: 2.7 km/h

The boat traveled with the current for 2.3 hours and then returned back.

To calculate the distance traveled with the current, we multiply the boat speed by the time: 26.9 km/h * 2.3 hours = 61.87 km

To calculate the distance traveled against the current, we also multiply the boat speed by the time: 26.9 km/h * 2.3 hours = 61.87 km

To calculate the total distance traveled, we sum up the distances traveled with and against the current: 61.87 km + 61.87 km = 123.74 km

Therefore, the boat traveled a total distance of 123.74 km.