First some simplifying:
Then with 
and 
, we have 
and 
, so
20/2.5 = 8
So 8 movies can be shown in 20 hours.
N-1(-1/2) is the formula because the sequence is taking half of the previous number and changing its sign
you cant really predict how many bagels will be sold the next morning because of different scenarios but mathematically speaking if you compare plain bagels to total bagels you get 3/15 so if you multiply the denominator by 1 1/4 to get twenty as the denominator then you have to do the same to the numerator to get a fraction of 3.75/20 or roughly 3-4 plain bagels sold
Answer:
-4
Step-by-step explanation:
y=x-7
plug in 3
y=3-7
y=-4
