Rosa already owns 2 necklaces, and additional necklaces are priced at 1 for a dollar. how
much money does rosa need to spend on new necklaces in order to own a total of 24
necklaces?

$22 it’s simple since you already own two you only need 22 more

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.