problem: Seminole Dairy Farm has 100 gal of milk that is 4.6% butterfat. How much skim milk (no butterfat) should be mixed with it to make milk that is 3.2% fat?

a: make a table.

b: let x be the amount of skim milk. Complete the columns that show the amount and the percent of butterfat.

c: to find the amount of butterfat in a solution, what two quantities must be multiplied?

d: write expressions that show the amount of butterfat in each solution.

e: Write and solve an equation to answer the problem.

please help me with all these steps. i'm in need of some BIG help.