Question

HELP IN 1 MINS ASAP PLEASE

Which rates are unit rates?

Choose all answers that are correct.

A.
200 pages every 2 h

B.
3 water fountains per park

C. 9m/1s


D. 90 words/2 mins

Answer 1

A, C, and D
A because for every 2 hours you're reading 200 pages.
C because for every 9 minutes, 1 second? (honestly that confuses me)
D because for every 2 mins you type 90 words