Answer:
5
Step-by-step explanation:
To find this answer first you multiply 4 by 25, giving you 100, then you divide 100 by 20 to get 5.
To check your work, if you multiply 20 by five you get 100, and if you multiply 25 by four you get 100 as well.
I hope this helps u!
Pls give thx and a brainliest ;)
