Answer: So, if it just magically doubles every 20 days, and its only been 15 days, then it would've started with 42, but I'm not sure since I can't see the original problem
Step-by-step explanation:
B is true because the second graph has a lower average
The way we always learned was
PEMDAS
P-- parenthesis
E-- exponents
M-- multiply
D--divide
A-- add
S-- subtract
do those in order