Carla and Mandy are solving an inequality -4x > 12. Carla says Solving the solution X is less than or equal to negative 3 while Mandy says the solution is X is greater than or equal to negative 3 which student is correct what mistake was made by the other student

The percent discount was 120

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.