Yay I remember
Warning: I am not sure if it's right
Y=14x
14(1)=14
14 pages per minute
Printer B
Find slope first
Y2-Y1/X2-X1
80-48/5-3=32/2=16
16(1)=16 pages per minute
Y=mx+b
Y is # of pages
X is minute
Printer A is faster because it has 14 pages for one minute