A kind of concrete is made of cement sand and gravel in the ratio of 2:3:5. At present, 700 kg of cement, 800 kg of sand and 600 kg of gravel can be mixed at most A few kilos of earth

A kind of concrete is made of cement sand and gravel in the ratio of 2:3:5. At present, 700 kg of cement, 800 kg of sand and 600 kg of gravel can be mixed at most A few kilos of earth


Concrete is not only cement, sand, stone, but also water. Generally, the weight of a cubic meter of concrete is about 2350-2400kg. You can only add more than 0.5 cubic meters of concrete. So you can mix 1300kg



Cement, sand and stone are 80 tons each. Mix the cement, sand and stone in a mass ratio of 1:4:2 to make concrete, and the stone is just used up?
Cement, sand and stone are 80 tons each. Mix the cement, sand and stone with the mass ratio of 1:4:2, and the stone is just used up. How much cement and sand are there
Cement, sand and stone are 80 tons each. When the mass ratio of cement, sand and stone is 1:4:2, the stone is just used up. How many tons of cement and sand are there?


There are 40 tons of cement left and 80 tons of sand left



To prepare a kind of concrete, the ratio of cement, sand and stone is 2:3:5,
Now there are 40 tons of cement, 12 tons of sand and 24 tons of stones on the construction site of Binhai community. Is it enough to make 40 tons of concrete?


To prepare a kind of concrete, the ratio of cement, sand and stone is 2:3:5. Now there are 40 tons of cement, 12 tons of sand and 24 tons of stone on the construction site of Binhai community. Is it enough to make 40 tons of concrete?
According to the title, you only have 12 tons of sand. If you use up all of it, you can only use 4 tons of cement, 12 tons of sand and 20 tons of stones. The total amount of cement, yellow sand and stones is 36 tons. You can't make 40 tons of concrete by adding water