It would be: 567/18 = 31.5
So, she needs atleast 32 shelves....
The answer is 2/8. Hope this helps.
STEP 1:
Add the number of total students
= 27+25+23
=75
STEP 2:
Find the percentage that 18 out of 75 students is.
18/75=x/100
cross multiply
(18*100)=(75*x)
1800=75x
divide both sides by 75
24%=x
Check:
75 * 24%= 18
Hope this helps! :) Good luck!
The answer is 16 zu j jenemmddm