Amie, a freelance editor, charges the rates shown in the table below to edit
manuscripts. The cost per page increases
as the quality of editing improves. Amie
also gives a 20% discount if the entire
amount is paid up front.
Express Proofreading costs $5.00
Basic Proofreading $7.95
Extended Proofreading $10.00
Deep Editing $12.00

Anna has a 48-page manuscript. The
equation below shows the relationship
between the total cost of editing 48 pages,
T, and the cost per page, c, if she gets the
20% discount:
48c - 0.20(48c) = 1
Using the equation, what is the best
quality of editing that Ellen can get done
for a maximum of $500?

A) Basic Proofreading
B) Express Proofreading
C) Deep Editing
D) Extended Proofreading

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit

Can someone tell me if this is perpendicular? !