Aparticular pizza store models their pizza sales based on their price. they find that at the original price of $5 per slice, they will sell approximately 20 slices. but for $2 per slice, they will sell approximately 50 slices. what is the rate of change of the number of slices sold per dollar decrease in price?

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !