The canteen bought some rice. I ate 5 / 8 of it in 3 days. There are still 150 kg left. How many kg of rice are there?

The canteen bought some rice. I ate 5 / 8 of it in 3 days. There are still 150 kg left. How many kg of rice are there?

If you eat 5 out of 8, you will have 3 out of 8, that is 150 kg. If you can't understand it, let's take the second explanation. Let's suppose that there are x kg of rice, then the equation x * (1-5 / 8) = 150, and the value of X is 400 kg

A batch of rice has been delivered to the canteen. It has already eaten 600 kg, just 34 kg. How many kg is this batch of rice?

A: this batch of rice is 800 kg in total

The chemical fertilizer plant uses two large and small cars to transport 47 tons of chemical fertilizer. The big car has transported 8 times, and the car has transported 6 times, which is just finished. The big car transports 4 tons each time, and the car transports how many tons each time?

(47-8 × 4) △ 6 = (47-32) △ 6, = 15 △ 6, = 2.5 tons. Answer: the car transports 2.5 tons each time