As the number of pages in a photo book increases, the price of the book also increases. there is an additional shipping charge of 15%. the price of a book can be modeled by the equation below, where p = the price of the book, 20 is the printing charge, 0.5 is the charge per page, and x = the number of pages:

p = (20 + 0.5x) + 0.15(20 + 0.5x)

jennifer wants to purchase a book but only has $62.10 to spend. what is the maximum number of pages she can have in her book?

x = pages

Asap 25 pts + brainliest to right/best answer

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.