Tony bought a shirt for $40 and a second one at 50 percent off. What was the total cost before taxes?

There was a 5percent tax. How much did Tony pay in total?

Either $5 or $10 he spent on the shirt

Do they give you an answer options??

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.