Addison purchased train tickets to go visit her family in New York. The original cost of the train ticket is $256.00 The train company is offering 15% off the cost
of the ticket. They also charge a 7.65% sales tax on the discounted price. What is
the final cost of her train ticket, including tax?

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.