Every year, approximately 25,000,000 kg of hair is cut in the u. s. each kg of hair contains about 0.0002 kg of zinc, and each kg of zinc is worth about 4 dollars. how many dollars worth of zinc is contained in the hair cut in the u. s. annually?

The annual haircut in the United States contains $ 20,000 from zinc

Step-by-step explanation:

1 kg of hair contains ___________________ 0.0002 kg of zinc

25,000,000 kg of hair _________________             X

It means that 25,000,000 kg of hair contains 5000 kg of zinc.

Otherwise,

If 1 kg of zinc _____________ worths $4

5,000 kg of zinc___________    X

X= $20,000

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).