80 students are going on a field trip to a history museum. the total cost includes two person rentals and $10 per student for lunch. the daily bus rental is $960 per bus what is the total cost per student?

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.