1:100 because 20 divide by 20=1 and 2000 divide by 20 =100
Answer:
B
Step-by-step explanation:
add all of last year's and then divide by 3 witch is 3.1
add all of this year's and then divide by 3 witch is 4.1
now subtract witch will give you 1.0
Answer:
answer 2
Step-by-step explanation:
Answer:
It would be 
Step-by-step explanation:
is equivalent to
or
.