Question 5* An online store receives customer satisfaction ratings
between 0 and 100, inclusive. In the first 10 ratings
the store received, the average (arithmetic mean)of
the ratings was 64. What is the least value the store
can receive for the 11th rating and still be able to have
an average of at least 80 for the first 20 ratings?
Your answer

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.