B. 1/40…. You divide 1/2 by 20 to find out how much hand sanitizer was used on each desk. You can keep change flip meaning keep the 1/2 change the division to multiplication and flip the 20 to 1/20 then multiply. 1/2 by 1/20 which equals 1/40.
F(x) represents how many books in total and x represents the number of days
Answer:
20 days
Step-by-step explanation:
5 days for each bag becuase each day is 1/5 5 days=5/5 (1 whole).
there are 4 bag so we do 5*4=20.
It would take 20 days to finsih all the bags.
PLEASE GIVE BRAINLIEST
Check picture for working out
