Answer:
The original price is = $75
The reduced price = $50
So, price reduced is = 
dollars
Total swimsuits are = 
Total markdown = 
dollars
Now, 25 swimsuits were returned to the original price. Means 25 swimsuits were returned to $75, increasing $25 again.
So, markdown cancellation = 
dollars
Net markdown = total markdown - markdown cancellation
= 
dollars
Answer:
D. It is not possible to draw a conclusion
Step-by-step explanation:
we are not given enough information about the library schedule.
If one of the exterior angles is 40, you can find its adjacent interior angle by subtracting 40 from 180. This is 40, so the triangle has 2 interior angles that are equal to 40. Now we have 2 of 3 interior angles. The sum of the measures of the interior angles of a triangle is 180, so we can set this equation up:
x + 40 + 40 = 180
x + 80 = 180
x = 100
So the triangle's angles have measures of 40,40 and 100 degrees.
