Complete the real-world problem that can be represented by 30x + 70 = 250. Jeremiah bought x toy sets for $ each and then a video game for $ . Jeremiah spent a total of $ . How many toy sets did he buy?

Umm I think u forgot to put the amount of money

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.