Answer:
54 keys
Step-by-step explanation:
If there are 6 keys on each of the nine key rings, you times 6 by 9 to get 54.
You would have to do 500x 4 which is 2000
idkStep-by-step explanation:
3/8 + 3/5 = <u>39/40</u> and 39/40 Can't be <em>simplified</em>