Can someone please help me for 4a. i know that answer and the answer is 15d+20 but what is the answer for the second part which is 4b.??


Answer:
I answered Part A here in your last question
https://brainly.com/question/23124193
B. No, you will not get a different amount because their expressions were the same, so they make the same ammount of money which is 1.3333 dollars per walk.
Step-by-step explanation:
If you have any quesitions feel free to ask in the comments