$5 out of every $100 a worker earns goes for clothes. On $4,000 a year wages, how much does he spend on clothes?

Asap! i'm not good math and i'm lost.

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

Find the domain and range of the following function f(x) = 51x - 21+ 4