Answer:
33.33% increase. 55.56% increase.
Step-by-step explanation:
The intersection of two sets, written

is the set that contains all elements in BOTH of the original sets.
In this case:

Unless you are told somewhere else what a and b are equal to, none of the given choices is correct.
The answer is B. $1600 because you have to subtract it
Answer:

Step-by-step explanation:
1) Δ ADE ~ Δ ABC, then
⇒ 
