the answer should be 17/3
Ok so the answer is 189 books. It states Sam has 21 books and it says Mary has 9 times more than Sam. So when you see the word times you multiply. 21 times 9 is 189. I hope this answer helps and remember to mark as brainliest answer! :)
Answer:
Basically you have to find the area of each side. Fore example A would be 4*2=8 and do that for all side with their corresponding units
Step-by-step explanation:
If we take 62,400 to be the 100%, what is 9,860 in percentage off of it?

solve for "x".