The ratio of cement, sand and stone is 2:3:5. How many tons of cement, sand and stone are needed to mix 20 tons of such concrete?

The ratio of cement, sand and stone is 2:3:5. How many tons of cement, sand and stone are needed to mix 20 tons of such concrete?

Cement: 20 × 22 + 3 + 5 = 4 (tons), sand: 20 × 32 + 3 + 5 = 6 (tons), stone: 20 × 52 + 3 + 5 = 10 (tons). Answer: need 4 tons of cement, 6 tons of sand, 10 tons of stone

The ratio of cement, sand and stone is 2:3:5. How many tons of cement, sand and stone are needed to mix 20 tons of such concrete?

Cement: 20 × 22 + 3 + 5 = 4 (tons), sand: 20 × 32 + 3 + 5 = 6 (tons), stone: 20 × 52 + 3 + 5 = 10 (tons). Answer: need 4 tons of cement, 6 tons of sand, 10 tons of stone

The ratio of cement, sand and stone is 2:3:5. How many tons of concrete can be mixed with 10 tons of cement?
Come on, I only know that the correct answer is 50. Come on

According to 2300kg per cubic meter of concrete, 10 tons of cement can mix 21.74 tons of concrete