Grandmother opened a bag of flour and took 600 g for pancakes, then she took from this bag

Grandmother opened a bag of flour and took 600 g for pancakes, then she took from this bag one and a half kilograms of flour, 900 g of flour remained in the bag, how much flour was in the sealed bag.

In order to find out how much flour was originally in the bag, we must add all the used flour along with the rest.

1) 600 + 1500 = 2100 (g) – flour was used.

2) 2100 + 900 = 3000 (g) – there was flour initially.

For convenience, let’s translate grams into kilograms:

3000: 1000 = 3 (kg)

Answer: There was 3 kg of flour in a sealed bag.