Dan received a $45.25gift card for a photo center. he used it to buy prints that cost 25 cents each. the remaining balance, b (in dollars), on the card after buying x prints is given by the following function.

b (x) = 45.25- 0.25x

what is the remaining balance on the card if dan bought 50 prints?

B(50)=45.25-0.25(50)
b(50)=45.25-12.5
b(50)=32.75
Final $32.75

The answer is the third choice

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.