math rate
posted by brandon .
15 chapters in 5 days 
I already know the unit rate is 3  I have to give the rate and unit rate. I don't know how to figure out the rate.
Can someone please help me?
rate is 15 chapters/5 days
unit rate is 3 chapters/day

Well you take 15 chapters and times it by 3 and u get 5 chapters and 5 days would be 1 day. There's your answer!!! :)