Patios can be made by mixing cubic meters of cement, gravel, and stones in the ratio 9:4:6. How much gravel is needed to make 209 cubic meters of patio?

Answer 1

cement : gravel : stones =9:4:6 = 9x : 4x : 6x

9x+4x+6x=209
x = 11

amount of gravel = 4x = 44

Answer 2

1) Patios can be made by mixing cubic meters of cement, gravel, and stones in the ratio 9:4:6. How much gravel is needed to make 209 cubic meters of the patio?