Question

Для ремонта квартиры купили 4 банки краски по 3 кг каждая сколько килограммов краски купили Составь две обратные задачи и реши их масса1 банки 3кг 3кг ? количество банок 4 шт ? 4 шт. масса всех банок ? 12 кг 12 кг

Answer 1

4*3=12 кг краски купили.

Обратные:
1) Купили 12 кг краски. В одной банке 3кг. Сколько купили банок?
12/3=4 банки.
2) Купили 12 кг краски в 4х банках. Сколько краски содержится в одной банке?
12/4=3 кг

Answer 2

Calculating the Total Amount of Paint

To calculate the total amount of paint purchased, we can simply multiply the amount of paint in one can by the number of cans purchased.

Total amount of paint = Amount of paint in one can × Number of cans

In this case, the amount of paint in one can is 3 kg, and the number of cans purchased is 4.

Total amount of paint = 3 kg/can × 4 cans = 12 kg

So, the total amount of paint purchased is 12 kilograms.

Reverse Problem 1: Finding the Number of Cans

Let's create a reverse problem to find the number of cans if we know the total amount of paint and the amount of paint in one can.

Number of cans = Total amount of paint / Amount of paint in one can

Using the values from the previous problem: Number of cans = 12 kg / 3 kg/can = 4 cans

So, if there are 12 kilograms of paint and each can contains 3 kilograms, then there are 4 cans.

Reverse Problem 2: Finding the Total Weight of Cans

Now, let's create another reverse problem to find the total weight of the cans if we know the amount of paint in one can and the number of cans.

Total weight of cans = Amount of paint in one can × Number of cans

Using the values from the original problem: Total weight of cans = 3 kg/can × 4 cans = 12 kg

So, if each can contains 3 kilograms of paint and there are 4 cans, then the total weight of the cans is 12 kilograms.