If 1/2 gallon of paint covers 1/8 of a wall, then how much paint is needed for the entire wall

My favorite songstress gives away 25% of this side of her signature fragrance collection to her charity last month her sales were 1200 how much of her sales did she donate

Write the fraction or mixed number and the decimal shown by the model

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.