Question

Michael read 135 pages in 90 minutes. select all of the rates that have the same constant rate of change as michael's rate.

#1) 180 pages in 2 hours?
#2) 60 pages in 30 minutes?
#3) 108 pages in 2 1/2 hours?
#4) 150 pages in 1 hour?
#5) 225 pages in 150 minutes?
#6) 210 pages in 2 hour 2 minutes?

Answer 1

#1) & #5) are the rates that have the same constant rate of change as Micheal's rate.

Answer 2

The answer will be 5