An author can write 1 1/2 chapters in 2.25 hours. how many chapters does he write per hour?

  2/3 chapters per hour

Step-by-step explanation:

To find chapters per hour, divide chapters by hours.

  (1.5 chapters)/(2.25 hours) = 0.6666... chapters/hour = 2/3 chapters/hour

is this a multiple choice question?

if so it's a and c

idk

step-by-step explanation:

maybe try   if it is work from a book, if not try