A community for students.
Here's the question you clicked on:
 0 viewing
freemap
 one year ago
The table shows the total number of bags of popcorn sold after the door to a movie theater was opened.
Between which two consecutive times was the average rate of change the greatest?
A. between Hour 1 and Hour 3
B. between Hour 3 and Hour 5
C. between Hour 5 and Hour 8
D. between Hour 8 and Hour 12
freemap
 one year ago
The table shows the total number of bags of popcorn sold after the door to a movie theater was opened. Between which two consecutive times was the average rate of change the greatest? A. between Hour 1 and Hour 3 B. between Hour 3 and Hour 5 C. between Hour 5 and Hour 8 D. between Hour 8 and Hour 12

This Question is Closed

freemap
 one year ago
Best ResponseYou've already chosen the best response.0Do you know which one?

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0I don't know which one, because I don't look at answer choices. But I can help you to find the answer.

freemap
 one year ago
Best ResponseYou've already chosen the best response.0they're the greatest numbers

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0The question asks the \(average\) rate of change the greatest, which means that the difference has to be divided by the number of hours in the interval. Give it another try.

freemap
 one year ago
Best ResponseYou've already chosen the best response.0I divided the bottom numbers

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0Can you state the answer instead of the letter? This will avoid misunderstanding, and will help you check you answer unconsciously.

freemap
 one year ago
Best ResponseYou've already chosen the best response.0which gave me 6.8 while the other gave me 1

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0No, you got the wrong idea. The numbers shown are cumulative, it said "number of bags sold \(after\) door was opened. So you need to subtract consecutive numbers to get the number of bags sold during the period. dw:1441585942275:dw So you choose the maximum average number of bags.

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0Sorry, the last column is not clear, but you can still see the calculation.

freemap
 one year ago
Best ResponseYou've already chosen the best response.0I get that 1 and 22 would be correct. What I don't understand is how you know what to dived the number by

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0Rate of change = (change in y)/(change in x) In the current context, change in y=number of bags sold change in x=number of hours elapsed So for the first period between 1st and 3rd hours, change in y = 14722 = 125 bags change in x = 31=2 hours so the average rate of change is 125bags/2 hours = 62.5 bags / hours. Repeat the same calculation for the other periods and you will get to choose the period containing the maximum number of bags sold per hour.

freemap
 one year ago
Best ResponseYou've already chosen the best response.0oh I get 31 gives you 2 therefore you divide by 2, ok thanks

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0Exactly! You're welcome! :)

freemap
 one year ago
Best ResponseYou've already chosen the best response.0So it was A?, Would you help me again
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.