Question

concrete can be made by mixing cement,sand,and gravel in the ratio 3:6:8.how many cubic metres of each ingredient are needed to make 850 m3 of concrete​

Answer 1

Answer:

let the common multiple be x

therefore 3 x + 6 x + 8 x is equals to 850 metre cube

17 x is equals to 850 metre cube

therefore x is equals to 8 15 / 17 which is equals to 50 metre cube