A fish tank contains red and yellow fish. Two thirds of the fish are rod and the others aro yellow. A quarter of the red fish are venomous and a third of the yellow fish are venomous
The rest of the fish are not venomous.
What proportion of the venomous fish are red

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.