Plzzz help I will mark brainlieist

Don't know how to find x given these segment lengths

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

In an improper fraction, is the numerator equal to, less than, or greater than the denominator