Adance contest gives each dancer 45 seconds to compete. in all, there are 72 dancers competing. for how many total seconds are dancers allowed to compete? solve the problem in two different ways. pls send a picture i need to show my work and a explanation pls

3240 seconds or 54 minutes

Step-by-step explanation:

45*72=3240

or

45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45+45=3240

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.

i believe it's a.

i'm not sure on this one, most likely correct.