Can you please help me with this question?​

The equation respenting the left table is

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?