Answer:
3000 books.
Step-by-step explanation:
Let x be total number of books.
3% is 3/100.
So:
3x/100=90
3x=9000
x=3000 books
2 17/20
1 7/10+1 1/2=1 7/10+1 10/20=2 17/20
Please mark as Brainliest! :)
Have a nice day.
number 3 is incorrect the rest are correct
